Everything seems to be going right for young Sung-Bin (Goo Bon-Seung). He's got looks, money, a good job, and a beautiful fiancee. Only one thing is missing: he can't satisfy his wife (Kang Ye-Won) in bed. He then sets out to master all things sex so he can return home and please her.

Nariaki career as a pharmacist successful , but after the engagement , fiancee Hanzhi Xi break off an engagement on the grounds that Nariaki know nothing about sex , unable to give her climax , Nariaki plea , the two give each other the last chance to discuss good . Nariaki anxious to find a good friend , Cheng-yu, to help think of ways , however , Cheng-yu found several " charlatans " Nariaki failed to improve , they sadly broke up . The despair Nariaki suddenly Cheng-yu, is completely lying to myself , just to cheat money from their own hands .