Swindlers come across a secret of the nation and try to reveal the secret. They must go up against a large company by using all of their skills. Lee Jung-Hwan is a team leader for the major corporation. He looks like an ordinary company employee, but he is a mysterious figure. Cha Joo-Eun is a swindler, who has the looks of a sweet & innocent woman. She supports herself with her crimes. Jung Bok-Ki is a professional swindler. She often targets other swindlers. She is elegant and also charismatic. Kim Jae-Wook is Jung Bok-Ki’s partner in crime.