College student Jung-hyuk just finished his military service and is ready to find a part-time job to pay for his expenses. To celebrate their discharge, he and his best friend Yong-il go clubbing together. Be it a coincidence or not, they meet Jia, Jung-hyuk’s unforgettable first love, and her sexy friend Soojung. Contrary to his wishes, but still unable to refuse, Jung-hyuk ends up having a one night stand with Soojung. As if his life wasn’t already complicated enough, now he keeps running into Soojung and Jia all the time, and he just can’t seem to refuse Soojung’s advances. He is torn since his body wants one thing, but his heart wants another. Add his best friend, his best friend’s little sister and his newly found boss to the mix and things are sure to get even more complicated. Love triangles, steamy nights and unrequited loves. Who’ll be flying high in the end?