Storyline:Heavyweight World Champion Billy Hope (Jake Gyllenhaal) is at the pinnacle of success. The boxer has just defended his title for the fourth time and enjoys a picture book life with his wonderful family. But then the tragic death of his wife Maureen (Rachel McAdams) throws him off track. Billy loses himself in alcohol and drugs until he is finally taken away custody of his daughter and his house. When he seems to be on the ground, he asks former boxer Tick (Forest Whitaker) to train him. The coach manages to return Billy not only athletic but also human gradually to old strength. Now he wants to regain his daughter and celebrate as a professional boxer new successes. But for that he has to wrestle with his biggest opponent: himself.