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.

When Gang-jo got bored with his yuppie lifestyle, he did what any normal person would do – he used his expert knowledge in high-tech gadgetry to live the life of a super-thief, of course. But when Gang-jo steals from Sang-tae, a happily married but mundane family man, and embarrasses him in front of his family, he is about to find out that the toughest opponents come in the strangest packages.