Seong Soo, a twenty years old boy, decided to move to Seoul after being accepted into Seoul University. However, he was a victim of real estate scam. He then moves into his mother's friend's house. Moreover, it turns out that his mother's friend is a sexy self-employed mother and Seong Soo is attracted to her.
A young college boy starts living in his mother's friend's house. Her middle-aged husband is always traveling and the boy finds out that she's cheating on him with a young, hunky lover. Eventually, our college boy gets to fuck her too.