Zilong Chen, an undercover cop deep within one of China's most ruthless criminal gangs, is torn between his duty as a police officer and the loyalty he's built with the triads. As his dual identity begins to unravel, Chen must face betrayal from both sides. When his former protégé, now a brutal crime boss, resurfaces, the stakes skyrocket. Caught in a deadly game of cat-and-mouse, Chen fights to protect his cover and bring justice — but at what cost?