Chen Yang was originally an ordinary person with a music dream, but he accidentally broke into a gang deal and was forced to join the Qinglong Gang. In the gang, he was bullied, performed various cruel tasks, and struggled with pain in his heart. Until undercover policeman Li Ming appeared, Chen Yang decided to cooperate with the police. However, his brother betrayed him and gangs pursued him, leaving him in dire straits. In the end, Chen Yang relied on his firm will and cooperated with the police inside and outside to destroy the gang and complete the redemption from darkness to light.
