Barely being able to make ends meet and doing everything he can possibly do to cover his ill son's growing medical bills, Hector Chavez turns to his fighting roots in the underbelly of LA. His amateur Mixed Martial Arts videos go viral grabbing the attention of the world's top MMA federation. Hector is then given a dream come true opportunity to go up against the MMA World Champion; a vicious fighter whose last opponent is in critical condition in the same hospital as his son. Hector is faced with a real do-or-die situation and must risk it all so his son can have the surgery he needs to survive.

The best fighter in the world works two jobs. The only problem... he doesn't know he's the best. Ringo Duran, the son of Gracie Duran, a famous Argentinian kick boxer, works two jobs to make ends meet. His passion, full contact fighting. His goal, fulfill a lifelong dream of becoming a professional fighter. Ringo has put off attempts at a professional career for so long he has nearly succumbed to age. When the Maximum Cage Warrior(MCW) league, the preeminent full contact fighting promoters, announce a competition to select the best undiscovered fighter, Ringo's friends urge him to join. Ringo, once again, claims he is not ready. Even KARA, Ringo's love interest, pushes him to join, but Ringo resists. Will he fulfill his life long dream and continue his mothers legacy? Will he be the best fighter in the world?

A gritty MMA fighter is forced into a twisted, underground gambling ring in which he must fight to the death with other MMA fighters in order to save his wife from certain death at the hands of a maniacal crime boss. In a desperate race against time, he is forced into a series of increasingly violent life and death matches while simultaneously piecing together the puzzle which leads him to uncover the identity of the promoter and the ultimate showdown, in which there can only be one Death Warrior.

From the cage to the big screen, the world's greatest Mixed Martial Arts Champions come together for the first time in a major motion picture. When an MMA world champion is lured into the illegal world of underground cage fighting by an elusive promoter, he quickly realizes that the only way out is to kill or to be killed. In a place where some fight for glory and some fight for the fight; he will fight for his life. Now, in his greatest effort to come out on top, he can never look back; never show weakness, never leave...and NEVER SURRENDER.