Kwon Sohyun, a famous student for making all kinds of troubles, stealing wallets, fighting, skipping school, is a lesbian in this traditional school. 

Heo Gayoon, the social worker consulting the trouble makers in the school, is a elegant, pure lady living in a tradtional rich family. 

A trouble links these two people living in totally different worlds up. 

A trouble leads these two women to a trap, a love trap.

A trouble changes these two's lives.