After the story of "Kickboxer: Vengeance", Kurt Sloan (played by Alain Moussi) has said he will never return to Thailand. He prepares for an MMA title shot. He is abducted and imprisoned in Thailand. His captures want him to fight a 6 foot 8inches 400 lbs. mammoth of a man (Mongkut played by Hafbor Julius bjornsson ). If he wins he will be free and earn one million dollars. He has to undergo rigorous training with some big time mentors. There is a great supporting cast: Jean Claude van damme as Master Durand, Christopher Lambert as Thomas Moore, Mike Tyson as Briggs, Sara Malakul lane as Liu, Sam Medina as Crawford , Steven Swadling as Joseph King, Jessica Jann as Gamon and Maxime Savaria as Somsak.