Jin believes his attraction to Ae Jung was due to the "Thump Thump" song. He tells Ae Jung that he doesn't feel the same way about her anymore. That his heart will no longer beat for her. Ae Jung is disappointed about his change of heart. Jin realizes that she has feelings for him.
Ae Jung gets drunk in front of Jin. Jenny tells Jin that Pil Joo is the right man for Ae Jung. She reveals that Ae Jung didn't lie about Pil Joo's lost pen. That Pil Joo bought a new one and pretended it had to been found so Ae Jung wouldn't worry.
While waiting for Ae Jung on the set of Couple Making, Se Ri reveals to Pil Joo that she has feelings for him.
Jin takes Ae Jung to the show. He kisses Ae Jung to see if he feels anything. He finds it strange that his heart rate doesn't change. Ae Jung takes it to mean he doesn't feel anything for her and heads towards the set of the show. Jin checks his heart rate with his phone and realizes his other monitor is malfunctioning. Jin heads towards the set and his chest begins to hurt.
Ae Jung walks towards Pil Joo. He holds out his hand for her. Ae Jung reaches out, grabs his hand and steps into a heart of roses with him.