Eun-jin 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.

Former Scissor Gang leader Eun-jin, who now suffers from amnesia, nevertheless defends Jae-cheol, a restaurateur who employs her, from a gangster who wants his business.

When Aryong, the daughter of a triad boss from Hong Kong is accused of killing the boss of a competing triad, she goes into hiding in Korea. Upon arriving, she is guided by a nimble but loyal Gi-chul and his motley crew, who are assigned to protect her until her return.