Jung-woo and Ha-neul got their paychecks and excitedly planned to ask their friends out, but Hong-ran and Dae-young told them they were busy and secretly together.Jung-woo and Ha-neul have nothing to say and promise to meet on the weekend.Afterwards, Jung-woo went to get some cash and put it in an envelope to give to his mother.However, on the way home, he is caught by Tae-seon and Bo-do, who make him drunk and tell him to take care of Ha-neul.The three got drunk and had a great time on their way home.The next morning, Jung-woo wakes up and is surprised to find his family eating breakfast next to him.He is pulled in to have breakfast with his family, and Tae-seon and Bo-do stop him from revealing their actions.

On the way to work, Ha Na blames him for being drunk, and Jung Woo finally gets a chance to tell her the truth, which calms her down a bit.As they talk, Ha Neul reveals that she has never been to the outing.Hong Lan and Daying exchanged SOS coupons as part of their plan.With these coupons, they can ask each other for help.Ha Na brings unexpected gifts to Jung Woo, one of which is a book and the other is a surgical cap with a dog pattern on it.Jung-woo tells Ha-neul that he has something for her too and plans to make up for her missed outing.They go shopping together and then rest at a cafe, where Ha Neul talks about seeking justice for Kyung-min’s actions.Jung-woo stops her and tells her that he likes to spend every day with her peacefully and doesn't want anything to disturb her.Ha Na stopped talking about it and was happily with him.The next day, they set out for an outing, imagining they were surrounded by a school bus full of classmates.They changed into uniforms, behaved like students, and took photos.

Jung-woo recalled taking graduation photos with Ha-neul, and she was attracted by a book.He felt regretful because he knew that Ha Na would have a boyfriend in the future, but he never thought that he would be her boyfriend.As they set up their tent and prepare to eat, Hong Ran and Dae Young surprise Ha Na, something Jung Woo planned for her.However, Zhengyu was surprised that Daeying and Honglan met frequently and was suspicious of their friendship.Later, Ha Na asks about Jung Woo and Dae Young's friendship, and the two bicker and reminisce about the time when they were friends.Daying participated in medical services abroad, but due to Zhengyu's accident, Zhengyu decided to leave.Jung-woo gets attention and someone films a documentary about him, which makes Dae-young feel regretful.The two bickered over jealousy, pulled each other's hair, and fought with stethoscopes and pillows.The girls left in shock, and Dae-young later apologized for his behavior and revealed that he was under pressure to divorce.Daying's parents-in-law didn't think highly of him. After seeing Zhengyu's performance on TV, they imagined how they would face it openly if they were there.Jung-woo felt sorry and began to apologize, and the two ladies left secretly.

Hong Ran reveals to Ha Neul that she might have some feelings for Dae Young because he is her type.Meanwhile, Dae-young talks about his suspicions about Kyung-min, having once caught him using powdered drugs.Jung-woo connects, understanding that Kyung-min put the drug in his drink in the heat of the moment.The next day, everyone comes back and Daying proposes to Honglan to talk about them instead of their family and children.Meanwhile, Ha Neul sees something is off with Jung Woo, but he doesn’t reveal anything.Later, she goes to see her psychiatrist and sees a picture on his tablet of a volunteer group of which Kyung-min is a member.This makes her suspicious, and she asks Hong Lan to help her meet the medical reporter who told her about it before.After meeting the reporter, Ha Na learned that this was a case of stock market manipulation, in which Kyung Min was involved, and that he might also be related to Zheng Yu's surgery incident.She gets a call from her mother and goes to the police station, where the officer is questioning Bodo about the break-in that happened the day Jung-woo moved in.

Ha Na arrives just in time and recognizes the man on the screen as Kyung Min.Meanwhile, Kyung-min is shocked after meeting Jin-seok, who tells him there's another camera he hid that hasn't been discovered yet.Kyung-min gets a call from Ha-neul and she asks him to meet, and he quickly arrives at her location.Ha Na gets in his car and starts questioning him about the clues he found, before asking one final question about his involvement in Jung Woo’s case.This surprises Kyung-min, who drives distracted and the two get into an accident.Meanwhile, Jung-woo is upset about not being able to contact Ha-neul.