Legend has it that the Delver Glass is cursed and certain souls who look into it see a reaper in the reflection, these selected people disappear soon after. (Adapted from the Stephen King short story.)

One year after the events of "Kickboxer: Vengeance", Kurt Sloan has vowed never to return to Thailand. However, while gearing up for a MMA title shot, he finds himself sedated and forced back into Thailand, this time in prison. He is there because the ones responsible want him to face a 6'8" 400 lbs. beast named Mongkut and in return for the fight, Kurt will get two million dollars and his freedom back. Kurt at first refuses, in which a bounty is placed on his head as a way to force him to face Mongkut. Kurt soon learns he will have no other choice and will undergo his most rigorous training yet under some unexpected mentors in order to face Mongkut in hopes to regain his freedom.

A retired military officer must confront his violent past to protect his niece after she witnesses the murder of her mother and Army pilot father.