Undercurrents surged in Hong Kong City. Ni Kun, the head of the Ni family, was assassinated. Ni Yongxiao, a time traveler, was ordered to face danger. Faced with the triple pressure of family traitors, gangster rivals and the police, he fell into a desperate situation. The hero system was activated, endowing him with top-level force and strategic wisdom. He pretended to be forbearing and secretly planned to suppress the four bosses with the strategy of knocking down the mountain and shaking the tiger. He subdued Han Chen, avenged the murderer, disrupted the undercover conspiracy, led the Ni family to rise in the secret war, and became a gangster in Hong Kong City.
