Kill Zone 2 (2015)

A Hong Kong cop named Kit busts a major gangster only to find his cover blown and his main witness gone. The gangster, in retaliation, has him kidnapped and put in a Thai jail with a false criminal identity. A lowly prison guard Chai with extraordinary fighting skills guards kit and prevents his escape from prison. The prison guard’s daughter suffers from a rare form of leukemia and Kit is the only donor who can save her. The prison guard discovers …

Tags: martial arts