Oh Sehun, an ordinary boy with a handsome face, with an ordinary dream - find a girlfriend. Even when there's a lot of girls can die for him, he still can't find his Mrs.Right. But then his eyes immediately fell for Kwon Yuri - who is 2 years older than him, when they met at the mall.

Whoops. But Yuri isn't just a girl. She's a gangster girl. Her cold look immediately catches Sehun's eyes. 

One day, Sehun accidentally knows the secret of the gangster's group of Yuri. Yuri and her gangster friends don't have other choice and have to kidnap Sehun to cover it. And Yuri is the one who haves to keep Sehun beside her all the time to make sure he didn't say anything.

What will happen between them?