Dangerous Relationship: Professor and Female College Student: Jin Yi feels skeptical about her accustomed life as a high-class prostitute. The life she wants to run away from. She has a crush on the newly joined boxer Doo San and wants to leave with him, but Doo San decides to stay, contrary to Jin Yi's wishes. On the other hand, Yeon Soo struggled to enter the music school, but continuing her college life alone, she couldn't keep up with her studies and working part-time. A performance wearing a short skirt, ready to give her body to the professor in charge. But the professor in charge doesn't even blink.