Cast: Lee Ha, Yu Seung-mok, Ji Jin-hee, Moon So-ri, Jung Woo-hyuk, Park Won-sang
The movie revolves around Eun-sook, a lovely but promiscuous professor in a University, who has all the male professors wrapped around her finger. When a popular comic book artist Suk-gyu joins the environmental awareness group that she belongs to, he attracts the jealously of Mr. Yoo, a group member who fears that he would steal Eun-sook from him, even though Eun-sook does not return his intense love. What is not known to the rest is that Eun-sook and Suk-gyu attended the same junior high school where they share a secretive tragic history. Back then, Eun-sook was the girlfriend of Suk-gyu's older brother and the three rebellious teenagers indulged in sex promiscuously. Eun-sook worries that her past may be revealed. As Mr. Yoo starts snooping around Eun-sook and Suk-gyu's pasts, will their secret be kept and will they be together again?