A Hong Kong cop called Kit busts that a major gangster to uncover also his witness gone and his cover. The gangster, in retaliation, has him kidnapped and place with a unlawful individuality into a Thai jail. A prison shield Chai with extraordinary fighting skills prevents his escape from prison and guards kit. The prison guard's daughter is suffering from a rare form of leukemia and Buddy is. The prison guard discovers the real individuality of Kit and enables him to escape in return for his agreeing. In addition, Chai and Kit must face the gangster and his minions and simply take down them.