High School, flaunting sexuality is the norm. But teenage angst still reigns supreme among the school's outcasts, including the only virgin.

Chan-young is a musical actor. Dan-bee who is in a musical with Chan-young gently holds his hands behind the curtain. Chan-young stays still. There is Chan-young who has fallen in love for the second time. And there is Dan-bee who’s rushing to Chan-young. But it is unclear whether she knows or not about her immature husband’s affair... Chan-young’s wife Mi-sun is quiet and calm. However, as seasons change their performances are reaching their end and there is a change in their love...

In order to inherit his grandfather's fortune, an incorrigible playboy agrees to teach high school for two years in Mr. Wacky, a bland, mostly irritating comedy from newbie director Kim Dong-Wook. To its credit, the film improves considerably in its second half, but by that time, some will likely find that it's a case of too little, too late.