After his father is senselessly murdered, 18-year-old Hao Nan seeks a way to deal with this injustice. The Red Luck Gang, with its fearlessness and code of brotherhood, impresses him, and Hao Nan wishes to join it and use its influence to avenge his father. But he soon discovers that this glorious façade belies cruelty, violence, and perhaps a betrayal of his innermost conscience.