Murong Yun, 27 years old, is the only son of the late Murong Feng, the boss of the "Qingyun Gang". After his father's mysterious death ten years ago, the gang was divided among the four elders, and Murong Yun was sent abroad for "protection." Now he returns with his father's old diary. On the surface, he is a meek art dealer, but secretly he begins a sophisticated and ruthless liquidation.
