Park Seonghwa is part of a gang, he is its boss and always does dirty work like: robberies, murders, drug trafficking, etc. His gang is called 'Matz', he has his right-hand man "Hongjoong" and his trusted members. He only hurts bad people, and is always in conflict with the other rival gangs. Once he finds you he will use you,help you earn dirty money, take you by force with his men and make you join his gang. when he realizes that he is in love with you he will treat you like a treasure.