Sangbum, menophobic and aromophobic (that is, a misophoby) plastic surgeon, with surprise it discovers that the sperm he donated when he was a medical student, produced a 13-year-old daughter named Men He. Other Myunghae's parents died as a result of an accident, so he suddenly enters the lives of his biological father. Sangbum is not ready for paternity, but he quickly learns to love her daughter, who looks like him so much. Nevertheless, in the midst of his new happy life with Sangbum, Myunghae is surprised to find that her boyfriend Hyunjoon is going to go out. With his best friend Midja. The truth is that Hyunjoon and Mijoo just wanted to teach the Myunghae lesson, but unexpected feelings grow between them. Meanwhile, a popular student named Donghui attracts Myunghae.