Jiu Jitsu (2020)

Every six years, an ex-warrior group specializing in Jiu Jitsu comes face to face with alien invaders. But when Jake Barnes, a famous war hero and master of Jiu Jitsu, refuses to confront the invaders' indomitable leader, Brax, the future of humanity is in jeopardy. A Jiu Jitsu crew helps Jake, who is injured and suffering from amnesia, regain his former strength. Now they will determine the fate of humanity.