S1, E104: While having dinner, Jin-A's father, Sang-Ki, finds out that Gyu-Min has an affair. They end up quarrelling. Gyu-Min complains that not only himself but also Jin-A has an affair. In such a turmoil, Joon-Hee is taken by Jin-A's younger brother Seung-Ho to visit their house. Then, Gyu-Min says that Jin-A's partner is Joon-Hee...