Sung-Eun (Song Eun-Chae) and her friends Soo-Yeon (Jeon Hye-Bin) and Mi-Sook (Park Seul-Ki) likes boys, but Sung-Eun longs after someone with more experience. Sung-Eun then becomes attracted to new student teacher Kang Bong-Goo (Lee Jee-Hoon). As Sung-Eun pursues Bong-Goo, she doesn't realize about Bong-Goo's one flaw. Whenever Bong-Goo becomes aroused, he farts!