This film is adapted from a true story. Tell about a drug dealer who was caught by the police and did a task for the police to reduce his sentence. Because of his geographical advantage and talent, the anti-crime gang decided to appoint him undercover to sneak into a prestigious motorcycle gang, the Vagos gang. In the process of sneaking in, he had to go through camouflage and contact again and again in order to find out the details of them in the gang. But in the process of doing the task, it is also facing danger.