Physics teacher Brendan Conlon finds himself in desperate enough circumstances to turn back to his old profession of mixed martial arts in order to support his family, while his brother Tommy Conlon arrives back in town after returning from Afghanistan and the mysterious events which took place there. Both brothers soon find themselves training to enter the Sparta mixed martial arts tournament, their father Paddy Conlon a recovering alcoholic wants to make up to his sons and so he starts training Tommy and also tries reaching out to Brendan. The brothers have to face not only the strong fighting capabilities of their opponents but also the events of the past and a broken family life, in order to come out on top of the tournament and finally resolve their issues in the ring. Filling the roles of the battling brothers our Joel Edgerton as Brendan Conlon, who while not being the biggest name in cinema plays the part of str...