Ji Soo and Jae Hyun spent the time to catch up on things about their present life. After reminiscing about their past outside the church, they went to eat ramyeon at the convenience store. Jae Hyun walked Ji Soo back to her house, and as she got inside her apartment, Jae Hyun checked Ji Soo's place and discovered no CCTV for her safety.
The next day, Jae Hyun bought a CCTV and installed it on Ji Soo's house even if she disagreed. He thought about Ji Soo's father. Jae Hyun purchased a piano and donated it to the nursing home. She was surprised by his gestures in giving gifts even to her father.
Later that night, Jae Hyun invited Ji Soo for a walk. He brought her to the park, where he prepared a song for her and played in the speaker with censored lights going up to the hill. Ji Soo thought of it as the best romantic part Jae Hyun did for the past week. Jae Hyun told Ji Soo of his plan to be with her though it will take time as he needed to sort out many things with his marriage and the company.
The prosecutor's team tracks chairman Jang's hidden funds. His secretary told him about Jae Hyun's taking an interest in Ji Soo. Jae Hyun's interrogations about Hyung Sung corporation are intense, as many illegal transactions reveal as the case went on.
Meanwhile, Chairman Jang met Ji Soo and offered her any amount to stay away from Jae Hyun for his daughter's sake. Ji Soo did not accept his offer and left his office right away.
Young Min is having hardship in school with his classmates and the unfair treatment of the principal towards him. He tried to call his mom, but he didn't mention anything so that Ji Soo wouldn't worry.
Hyung Sung offered a scholarship program for Young Min to study abroad, but Ji Soo advised Young Min that nothing is free and getting it may get him to pay in the future. Young Min followed his mother and did not push through as well.
Jae Hyun got drunk and went to Ji Soo's place. He admitted that he worries too much about the people he cares about. Ji Soo tried to talk to him, but he was overpowered by alcohol. Ji Soo brought him inside her house and let him sleep on the couch. When he woke up, Jae Hyun found out Ji Soo's place doesn't have anything well. He brought her new kitchen pots and a new vacuum and other cleaning tools.
A flashback was shown wherein Ji Soo's parents died at a fire accident that led her to be anxious every time there's a blackout. Her mother and daughter died during her birthday, which she spent with Jae Hyun, and when she knew about it, she ended up seeing them lifeless in the hospital. That was the time that their lives went upside down.