Nick Nolte and Tom Hardy star in this mixed martial arts (MMA) action drama. When Tom Conlon (Hardy) - the youngest son of former boxer, ex-Vietnam soldier and recovered alcoholic Paddy Conlon (Nolte) - returns to his hometown, he is trained by his father to compete in a mixed martial arts tournament, putting him on a dangerous collision course with his estranged older brother Brendan (Joel Edgerton).