Every six years, an ancient order of expert Jiu Jitsu fighters faces a vicious race of alien invaders in a battle for Earth. The fighters that protect Earth have won. Until now. When celebrated war hero Jake Barnes is defeated by Biax, the leader of the invaders, the future is uncertain. Injured and suffering from amnesia, Jake is rescued by Wylie, Keung and his team. They must help Jake to recover and unite to defeat Brax in an epic battle that will determine the fate of humankind.