In Seoul, a guy named Song Daewon is a detective that's trying to catch this guy for at least 7 years. He's in a secret mafia team known as the guy that's called Dong Hyun. Eventually they both meet and then will they fall in love? Will they capture another one's hearts? Join the story as Daewon tries to find Hyun and the secret mafia team that leads hyun commiting big crimes...