One 12 months after the occasions of "Kickboxer: Vengeance", Kurt Sloan has vowed by no means to return to Thailand. Nonetheless, whereas gearing up for a MMA title shot, he finds himself sedated and compelled again into Thailand, this time in jail. He's there as a result of those accountable need him to face a 6'8" 400 lbs. beast named Mongkut and in return for the struggle, Kurt will get two million {dollars} and his freedom again. Kurt at first refuses, by which a bounty is positioned on his head as a technique to drive him to face Mongkut. Kurt quickly learns he can have no different selection and can endure his most rigorous coaching but underneath some surprising mentors in an effort to face Mongkut in hopes to regain his freedom.