Tae-Hyeong and Hyun-Jin find out that they slept together last night in Our Universe episode 4. They’re startled to get out of bed. Hyun-Jin protects herself with her arms. She wonders what Tae-Hyeong did to her. He reminds her that it’s his room and it’s his bed.

Tae-Hyeong and Hyun-Jin walk out of the room. They see the wine bottles on the table. Hyun-Jin remembers she only opened a bottle of wine. She remembers she took out the wine she hid. She drank with Tae-Hyeong. She held his camera. She tried to take a photo of him. He taught her how to use the camera. The camera dropped. He showed her the awards he received. She cried to tell him that she misses her sister. He comforted her. They slept together in the bed.
Tae-Hyeong and Hyun-Jin clear the table together. Tae-Hyeong offers not to drink. Hyun-Jin thinks drinking is detrimental to Woo-Joo’s education. He thinks she shouldn’t have taken out the cheap wine. She points out that he was the one who took out the red wine glass to set the mood. He was happy to turn on the light. She reveals she tried her best to set the mood because he said that rainy days make him irritable. He wonders who said that she likes rainy days. She complains it to him that she doesn’t want to get into the room. He reminds her that she ran into his room and took his bed. She claims that she just slept soundly through the night.
Hyun-Jin meets Se-Yeon outside. She reveals she slept with her brother-in-law. Se-Yeon mentions what she told Hyun-Jin to live together. Hyun-Jin claims that they just slept. Se-Yeon figures it out that Hyun-Jin fell for Tae-Hyeong after they didn’t live together too long. She admits that the guy is very handsome. Hyun-Jin claims that the problem was because of the water heater. She took a hot bath, and she thought she was lazy and listless. So she was drunk. Se-Yeon wonders if Hyun-Jin shouldn’t have lived with a man. She’s surprised that the conservative Hyun-Jin had a one-night stand with the brother-in-law. She thinks Hyun-Jin begins to mind it. She wonders if she treats Tae-Hyeong as a man. Hyun-Jin is furious to deny it.
Tae-Hyeong goes to his friend’s place to play football games. His friend finds out that he’s distracted. Tae-Hyeong brings up that Hyun-Jin takes care of the baby. Woo-Jin wonders if Hyun-Jin would wear clothes after she took a bath. Eui-Joon thinks Tae-Hyeong and Hyun-Jin would be close. Tae-Hyeong says that the girl was very busy. They almost couldn’t see each other. Woo-Jin wonders if the girl is pretty.
Tae-Hyeong runs into Hyun-Jin outside the house in the evening. Hyun-Jin cleans the bathroom. She slaps her face. She thinks she was crazy to care for the guy. She walks out of the bathroom. She runs into Tae-Hyeong again. He gets into the bathroom. He takes a bath. He remembers his friend asked him if his scent was the same as Hyun-Jin’s scent. Hyun-Jin knocks at the door. She wants to get into the bathroom. He scolds her because he’s taking a shower. She apologizes to him. She flees.
Tae-Hyeong takes a shower. He wonders why he minded Hyun-Jin. Hyun-Jin knocks at the door again. She wonders why he doesn’t come out. He sees her bra on the floor. Tae-Hyeong walks out of his room. He sees Hyun-Jin taking her bra. He goes to open the window. He cannot open it. She teaches him to open the window. The wind caresses her flowing hair. He notices her good looking face. He goes to help her fix the faucet. She sees his well-developed muscles.
The next day. At BS Food, Gyu-Jung gives the proposal to Hyun-Jin. He asks her if she was the lobby woman. So-Hee doesn’t believe that Hyun-Jin was the lobby woman. She thinks there’s no scoundrel who would call husband and the baby to the company. Hyun-Jin thinks the woman had something extremely urgent. She says that everyone has her own difficulties. She thinks the husband brought trouble to the company. Gyu-Jung asks Hyun-Jin not to bring trouble to the lead leader. She agrees. She claims that she doesn’t have a boyfriend. Yoon-Sung feels relieved after he heard the good news. He asks the people to go to the meeting room.
Hyun-Jin has a meeting with the colleagues in the meeting room. Yoon-Sung claims that he will seize the initiative of Glomarket. He asks Hyun-Jin for the overseas sales data she organized. She has prepared it because she thought he might need it. She hands over the papers to him. He checks the papers. He asks her to come to his office.
In Yoon-Sung’s office, Yoon-Sung asks Hyun-Jin to draft a preliminary plan. He wants to see localization ideas. He wonders if he forces her. She denies it. She promises him that she will make it.
Tae-Hyeong and Woo-Joo are taking out the trash. They run into the neighbor Du-Sik. Du-Sik tries to flee. But Tae-Hyeong stops Du-Sik. He brings up that he broke his water heater. But Du-Sik thinks it wasn’t his mistake. Because the water heater was broken in the beginning. Ae-Ja pats him on the back. She brings up that she told him not to put the cigarette butt into the bottle. He explains it to her that he did it before. He claims that he quits smoking. Tae-Hyeong reports it to Ae-Ja that he saw Du-Sik smoking in front of the convenience store. Du-Sik blames Tae-Hyeong for not caring for brothership. Tae-Hyeong points out that he and Du-Sik don’t have any brothership. Because Du-Sik made him lose one million won. Tae-Hyeong brings up that he couldn’t reach the landlord. Ae-Ja guesses the landlord is very busy. Du-Sik thinks the problem can be resolved as long as Tae-Hyeong reaches the landlord. He asks Tae-Hyeong where his girlfriend is. Hyun-Jin shows up. She’s told that Tae-Hyeong introduced her as his girlfriend to Du-Sik.
Hyun-Jin and Tae-Hyeong return to the house. Hyun-Jin gets a call from Yoon-Sung. He asks her to send the papers to him. But the baby calls Tae-Hyeong father. Yoon-Sung mistakes that Hyun-Jin is outside. She says that she’s at home. She thinks it was a cat. She knocks against the table. Tae-Hyeong protects her. She promises Yoon-Sung that she will send it to him after she organizes the materials.
Hyun-Jin hangs up. Tae-Hyeong wonders why she meek. He mistakes that the team leader was terrifying. She denies it. She wants to prove herself. Because the team leader gave her the chance because he trusts her. She reveals she’s the only contract employee in their team. She’s not sure if she can survive even if she works hard. She needs to work overtime in the coming period. She grabs Tae-Hyeong’s hand. She begs him to take care of Woo-Joo before the project ends. He shakes off her hands. But he agrees. He mentions they need to keep a proper distance. He returns to his room.
In the evening, Tae-Hyeong walks out of his room. He sees Hyun-Jin eating working at the desk. He gives her a cup of coffee. He walks out of his room again. He notices that she still works. He guesses she works all night. She nods. She’s tired to return home when the baby falls asleep. Tae-Hyeong asks her if she had dinner. She falls asleep in the bed. He puts the cover on her.
The next day, it’s raining outside. Tae-Hyeong tidies the house. He finds Hyun-Jin’s photos. He thinks she was cute. He sees her note. She expresses that she wants to survive on her own. He cleans the floor in the room. He looks at the rain outside. He remembers what she said that she liked rainy day. He finds the paper star from under her bed.
It flashes back. Tae-Hyeong is drunk. He takes off the paper star. Hyun-Jin blames him. She reveals the paper stars are the place that she and her sister lived when they were kids. It was a semi-basement that it leaks as long as it rains. It would grow a pile of mold. It couldn’t be erased. Her sister used the chance to play mold game, sticking the stars on the ceiling. He figures out the reason why she didn’t get into the room. Because she would keep missing her sister. She reveals her sister would come to pick up her when it rained. Her sister would cook pancake for her when she cried because of missing mother. It was added corn and cheese. He thinks her sister was a good sister. But her sister told her that she doesn’t want to be her sister in the room. She thinks she was bad. But she loses her umbrella. She cannot eat the pancake her sister cooks forever.
At present, Tae-Hyeong cooks pancake for Hyun-Jin. He tricks the baby to ask him to call Hyun-Jin. Hyun-Jin just had a meeting at the company. She asks Tae-Hyeong if he had dinner. She reveals there’s a Kimchi Fried Rice restaurant near the company. She volunteers to buy it home. He’s very happy. But Yoon-Sung asks her to confirm the competitor’s unit sales price. He found out that there was a mistake. She promises to fix it and send it to him.
The pancakes are ready. But Hyun-Jin sends a message to Tae-Hyeong that she will be late. She’s off duty. Yoon-Sung volunteers to give her a ride. She rejects it. He wonders if she still lives with her sister. She says that she lives alone. He insists on driving her home. Because he wants to give her some advice.
Tae-Hyeong takes out two umbrellas. He tells the baby that everyone will do that. He claims that it’s a compassion. He thinks he will understand it once he grows up. He hints at him that he will catch a cold if his aunt catches a cold. He will work hard.
Tae-Hyeong takes the baby to visit Ae-Ja. He asks her to take care of the baby. Because he needs to go to pick up the baby’s aunt. Tae-Hyeong waits for Hyun-Jin at the bus stop with the umbrellas. The car drives pass him. It splashes him with water. He follows the car. He sees Hyun-Jin getting off the car with a man. The man gives his umbrella to Hyun-Jin. He drives away.
Hyun-Jin turns around. She sees Tae-Hyeong. She notices the umbrella he’s holding. She follows him home after she picked up the baby. She wonders how long he stood at the bus stop. She didn’t expect that he would come to pick her up. He mentions what she said that nobody can help her hold umbrella. But there were many men. She even could take a car. She explains it to him that the team leader did it because it was raining heavily. He thinks she should have asked the team leader to take her home. She explains it to him that there was a reason. But he doesn’t care for the reason at all. He asks her not to make the promise she cannot keep. He hates waiting. She tastes the pancake he cooked.
The reporter interviews Amy Choo in the studio. Amy Choo reveals the most hard part was Han Lina. Se-Yeon and Hyun-Jin watch the interview on the street in the evening. Se-Yeon tells Hyun-Jin that Amy Choo helped Han Lina make a comeback. She takes out her cell phone. She shows the video to her that Amy Choo thanks Tae-Hyeong.
Tae-Hyeong is at home. He sees his name on Amy Choo’s work. Hyun-Jin congratulates him when she shows him the magazine. He’s surprised that she bought the magazine. She mentions he worked with Amy Choo. She tells Woo-Joo that his uncle is amazing. Amy Choo calls Tae-Hyeong. She asks him to take his camera to her place. Hyun-Jin persuades Tae-Hyeong to go to Amy Choo’s place. But he says that he has given up photography. He claims that he threw up all the cameras. She reminds him that he retrieved the camera. She volunteers to help him for the pancakes he cooked.
The next day, Tae-Hyeong calls Hyun-Jin. He asks her to leave work on time. She promises him. But she goes to a hotel with Yoon-Sung in the evening. She calls Tae-Hyeong. She asks him to get Ae-Ja to take care of the baby. She apologizes to him. She asks him to go to visit Amy Choo.
Tae-Hyeong takes Woo-Joo to Film Pluto. But the baby cries because he loses his rabbit. Tae-Hyeong gives the drink to Woo-Joo. Woo-Joo stains Tae-Hyeong’s clothes. Hyun-Jin and Yoon-Sung work at the hotel. Yoon-Sung teaches Hyun-Jin how to work. Tae-Hyeong and Woo-Joo get into Amy Choo’s house. Tae-Hyeong sees many cameras in the living room. Amy Choo shows up on the second floor. She sees the baby. She takes the two into her office. Tae-Hyeong takes out his film camera. Amy Choo gives him three hours. He takes a photo of the baby. The baby falls down.
SEE ALSO: Our Universe Episode 3 Recap
Tae-Hyeong takes the baby to the hospital. The nurse checks the baby’s wound. She finds out that he needs stitches. She asks Tae-Hyeong for the guardian. He calls Hyun-Jin. But she left her cell phone in Yoon-Sung’s car. Hyun-Jin and Yoon-Sung see off the client at the airport. They’re on the way home. Hyun-Jin sees Tae-Hyeong’s calls. She contacts him. She’s told that the baby is at the hospital. She goes to the hospital. She sees the baby. She apologizes to Tae-Hyeong. He scolds her. He reminds her that she’s the guardian of the baby. They meet the doctor. The doctor tells the two that the baby needs the guardian. Because he has suffered psychological trauma.
The next day, Hyun-Jin apologizes to Woo-Joo at home. He tells her that he loves her. Tae-Hyeong walks out of his room. He learns that Woo-Joo’s fever has broken. He goes out. He remembers he scolded Hyun-Jin. He regrets it. He goes to the store to buy abalone porridge. He returns home. She invites him to eat noodles with her. But he offers to drink porridge together. Yoon-Sung visits. He tells Hyun-Jin that he’s the landlord of the house.