Three years in prison allowed Zhang Yaowen to transform from a weak young man into a strong man with extraordinary strength, and he became a hidden stub planted by the police in Hongxing. After being released from prison, an encounter with an old acquaintance, a young stutterer, triggered a street melee. Lian Hesheng's threat, Officer Li's mission, and the unclaimed reward of the Five Tigers' Door-Breaking Knife were intertwined. As an undercover agent, he took advantage of the system to set off a silent anti-crime storm in Hong Kong's Jianghu.
