'A sexy and rich' guy who has to go to the military giving up his school credits, 'a loser' who just got discharged dreaming of heated love and 'a goose father' who hasn't had sex in forever, join a paragliding club for other reasons.  A hot and sexy girl appears in front of them and the three hyenas convince her to go to an overnight paragliding trip with them. Who will be the winner? This girl playing hard to get causes the three to shake and they start doing anything they need to get her to spend a night with them...

The Purpose of Clubs

100 random women VS my friend's woman, which one would you sleep with?  Gun-woo and Tae-cheol have different stances. Every night, Gun-woo enjoys sleeping with different women but Tae-cheol dreams of sleeping with the woman he's had a crush on for 10 years. However, Se-yeong loves Gun-woo. Tae-cheol finds out Gun-woo also has feelings for her and tries to give up but he finds himself more and more drawn to her.

Overnight: Friend's Girl

What do we do at an MT?  Min-hee and Min-soo used to date. Dong-hyeon and Ah-yeong drink with them the night before they go for the MT. Min-soo puts Min-hee to bed in a motel and Ah-yeong who had the hots for Min-soo, seduces him. They promise to keep it a secret but Min-hee finds out what they have been doing. However, Ah-yeong is a provocative one and decides to seduce Min-soo at the pension where all four of them are together...