DANGER - JEON WONWOO

Wonwoo, a 24-year-old mafia known in Seoul and all over South Korea . Who does not know Jeon Wonwoo who was convicted in the attempted murder of the Korean president 5 years ago when he was 19 years old . But now he lives as a new Jeon Wonwoo who join a secret agent with Choi Seungcheol . Choi Seungcheol is a leader of the secret agent in Korea . He saved Wonwoo and take Wonwoo as his worker .

Wonwoo lives with his younger brother, Jeon Jungkook . They were cared for by a foster mother because they were left in front of a child care center when they were young. When Wonwoo was 18, their foster mother died because of a heart attack .

His enemy is Kim Mingyu, the CEO of his own company . They're schoolmates years back . Wonwoo was the president of the student association has always been bullied by Mingyu and he hate Mingyu so much .

But now, the table has turned . Wonwoo must protect because Mingyu's father has many enemies and Wonwoo has to kill the enemies on Seungcheol's command .