Orphaned at young age, abandoned by his uncle and later by his adoptive parents, Sang-doo’s life has been a succession of difficulties. At 27, he makes a living by seducing older women in order to support his daughter’s hospital fee. However, the love he has for his first love, Chae Eun-hwan, keeps him happy and optimistic. When he runs into Eun-hwan again, he decides to give another chance at his love and goes back to high school to be Eun-hwan’s student.

《操作》讲述了在这个颠倒真相的世界，想要揭露真相的检察官和记者的故事。

17 year-olds Sung-eun, and Mi-sook are always curious about sexual matters that nobody teaches them about. One day, new teacher Bong-gu, a handsome and well bred stud,arrives at school and begins to teach their class. He becomes an object to watch and study. Bong-gu, although he seems fine on the outside, suffers from an unknown illness that makes him fart whenever he feels aroused. Three girls learn about this and they go on a mission to make him fart.