A small-time Philadelphia boxer gets a supremely rare chance to fight the world heavyweight champion in a bout in which he strives to go the distance for his self-respect.
Based on the story of Micky Ward, a fledgling boxer who tries to escape the shadow of his more famous but troubled older boxing brother and get his own shot at greatness.
Frankie, an ill-tempered old coach, reluctantly agrees to train aspiring boxer Maggie. Impressed with her determination and talent, he helps her become the best and the two soon form a close bond.