Eunjin who is a living legend among the gangsters dominates the male-centered underworld wielding only a pair of her trademark blades. One day, Eun-jin finds her sister from whom she was separated at an orphanage during childhood, and her sister tells Eun-jin that her last dying wish is to see that Eun-jin gets married.
One day, Eun-jin's henchmen discover Soo-il, an ordinary civil servant and Soo-il appears to be the only man naive enough to be dominated by Eun-jin, and the two are married.
After the wedding, Soo-il learns that what is waiting for him a life of constant household chores and a bride who refuses to sleep with him instead of a blissful honeymoon. Eun-jin, on the other hand, is finding the life of the leader of gang more demanding than ever before. To make matters worse, Eun-jin's sister asks Eun-jin to have a child with Soo-il for her. There is nothing Eun-jin will not do for her sister...