It portrays what happens after the dirty Kim Hye-in, the only witness to the murder of a high school girl, moves to Cheongdam International High School, where everyone wants, and meets Baek Je, the main suspect.

The story depicts what happens after dirt spoon Kim Hye-in, the only witness to the murder of a high school girl, transfers to Cheongdam International High School, where everyone desires, and meets Baek Je-na, the leading suspect and the queen of Diamond 6.—hancinama