Sun is released from prison and returns to his old neighborhood full of memories. While seemingly calm, he is haunted by the death of his father and betrayal from friends. He takes up boxing again and attempts to rebuild his power and influence while building up his new gang, the “Bangkok Boys.”

Sun deals with painful memories, getting arrested during a confrontation, the injury of his partner and death of his father. Having his life shatter while being questioned by his family, his path becomes clear.