This is the story of how during a trip to his homeland, the lawyer of the Korean-Italian mafia, Park Chu-hyun, sided with justice and decided to teach the local mobsters a lesson. When the main character was just eight years old, he was adopted by an Italian family and given the name Vincenzo Cassano. As a teenager, he went to law school and became a successful lawyer. Now Vincenzo represents the interests of the mafia group. Due to the clash between clans, he is forced to return to his historical homeland.