'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

Gong-soo works in an underwear company and has a crush on one of the new designers named Soo-yeon. Gong-soo is preparing a design PT for a major company when he decides to tell Soo-yeon how he feels about her. He looks for a chance to tell her but Chief Lee, a handsome and talented man gets in the way.