The episode starts with Sang Su and Su Young kissing at the ice skating ground. After coming out, Su Young immediately regrets it and calls it a moment of weakness but Sang Su is not ready to accept it. He confesses that he likes her. Mi Kyung’s mother is upset that Sang Su didn’t show up at the family dinner while Mi Kyung learns from her father that he had a hand in her fast growth in career which is actually impossible for others. She feels depressed about the same. Sang Su and Su Young are on their way when Su Young invites Sang Su for a drink. While Drinking, Su Young suggests to play a game of lies. They both lie about their non existent live which they wish existed. Su Young lied about her brother and how she’s a rich conglomerate while Sang Su lied about his father. In between the game Su Young confesses that she also actually fell in love with Sang Su at first sight and it could actually be her who fell first. Sang Su shocked about the same. Mi Kyung looks at the old one coin that connects Sang Su and her and recalls Sang Su proposing her asking that if she’s OK if he’s not 100% ready for the relationship. She answered now that she’s not. She tries calling Sang Su but he avoids her call as he’s on his way with Su Young in car. When she continuously calls him, he cuts the call and holds Su Young’s hand.

Su Young gets down from car and bid good bye to Sang Su. Su Young finds Jong Hyun waiting for her and he calls her for a talk. He thanks her for her money because of which his father is fine now and promises to pay it back. Su Young says its fine but he insists. He also apologizes her as he has to continue sharing room with her as he’s financially broke. Su Young agreed and everyone were in a confused and depressed state of mind that night. Mi Kyung took sleeping pills while Sang Su texted Su Young thanking her for her lies. The next day, everyone assembled at meeting when everyone noticed Mi Kyung worn out. They all teased Sang Su and her for their active dating life while Mu Kyung acted along. Mr. Yuk announced about an University Sub Branch which is need of employees for the next three months as substitutes and asks if anyone wishing to volunteer. No one is interested to when Su Young herself stepped in. Sang Su is about to raise his hand and Mi Kyung noticed but before he could Kyung Pil offered to volunteer. The meeting is winded up and Sang Su meets Su Young in private and asks if it’s because of him that she had to volunteer. Su Young it’s anyhow her who’s going to get selected in the end given her position and she just picked up herself instead of others doing it. While they were discussing, Ma Du Sik and Ms. Bae enters the place where Bae accuses Ma for about to volunteer after Su Young raised her hand. Su Young and Sang Su hide from their fight and is shocker to know that Ma and Bae are dating. Ma disagrees with Bae saying that all other girls seem ugly to him after dating her and she mocks him that it’s not the same for Su Young as he already had crush on her. Sang Su and Su Young tried hard to control their Stiffkey while Ma manages to convince her Bae. Sang Su teases Su Young.

Sang Su’s mother visits the bank for loan as the land lady increased the deposit amount of the building. Sang Su offers to give the money but his mother turned him down. She also didn’t fail to notice that Sang Su is not much into Mi Kyung. While leaving, she advises him to sort out his feelings and not land up in mess. Mu Kyung rushes out to meet her but she already left. Sang Su says Mi Kyung that he have something to discuss with her but she says that she was busy. Su Young and Mu Kyung have breakfast with other female colleagues who asks her the reason for volunteering. Mi Kyung passed indirect taunts at her which didn’t go unnoticed by the senior colleague. She asks about it to Su Young but leaves when Hong Hyun comes there. She apologizes Kong Hyun for not discussing about it with him in prior but Jong Hyun says its fine as he is anyhow not much reliable to her. Ma and Lee Du Sik notices upset Mi Kyung and asks about it Sang Su. Lee calls him for a drink. Su Young comes home to find her mother enjoying drinks with her friends and one among them is the land lady. She learns about her increasing Sang Su’s mother’s deposit amount. Su Young visits Jong Hyun’s study cafe and texts him about the same. She finds him coming out texting with a smile only to find that it’s not her. He’s actually taken aback with her sudden visit. That’s when she got introduced to his long time study Chae Song Jae whom she believed to be a boy. She didn’t fail to notice their closeness and the couple bottles which she and Jong Hyun had.

Mi Kyung gets late for office the next day and Lee suggests Sang Su to go and pick her up. That’s when the rumor about a recently married man cheating on his wife with ex girlfriend of 4 years surfaces the office. The wife has posted the picture of the affair couple on social media without revealing the face. Sang Su and Kyung Pil immediately predicted that Seok Hyun and confronts him in private. He accepts that it was him and also doesn’t regret it as he really loves Jong Eun. He’s ready to break up with his wife despite knowing that it’s an act of foolishness. Su Young takes Kyung Pil with her to the university sub branch. After work, Kyung Pil goes to get lunch while Su Young sits in the University campus and recalls spending time ti ere with Sang Su. Sang Su calls Mi Kyung who asked up late due to the sleeping pill and rushes to her ready. While Su Young is lost in thoughts, Sang Su comes to meet her. Mi Kyung rushes to office and apologizes while they tease her for she’s also not perfect like them in the end. She learns from Lee that he sent Sang Su to pick her but still lies to save her face. Kyung Pil texts Sang Su that yes leaving to dinner with Su Young. He invites Su Young for the same who accepts the invitation.

Su Young gets surprised when other branch colleagues who once flirted with her during indentation also joined them for the drink. They all knew that it’s Seok Hyun who’s the cheating husband and passes cheap remarks at Su Young indirectly asking her if she’s the mistress. She confess that she is but they gets taken aback with her straight attack. They provoked her despite knowing that she’s not one. Kyung Pil stepped in and showed the recording where he recorded the all their cheap comments and asks them to apologize. Once they are out, Su Young apologizes Kyung Pil for spoiling his time with his friends. He says it’s fine and Su Young takes her leave. Sang Su meets with Kyung Pil over a drink where Kyung Pil says about what happened during the dinner with other mates. He says that it’s not far away that their words may turn true and its in his hands to protect his loved ones. He asks him to not hurt Mi Kyung and Su Young too much. Sang Su calls Mi Kyung to have a conversation with her but she keeps avoiding his call. She then invites him finally for a dinner and Sang Su gets surprised seeing Jong Hyun and Su Young there too as it’s Mi Kyung’s birthday. Mi Kyung wanted to show off to Sang Su about how much Su Young and Jong Hyun are in love together. Sang Su takes his excuse with Mi Kyung and says that he wants to break up. Mi Kyung asks him not to as its her birthday. At bus stop, Jong Hyun asks Su Young if she really likes him.