An uneducated collector for a Philadelphia loan shark is given a once-in-a-lifetime opportunity to fight against the world heavyweight boxing champion.

Despondent over a painful estrangement from his daughter, trainer Frankie Dunn isn't prepared for boxer Maggie Fitzgerald to enter his life. But Maggie's determined to go pro and to convince Dunn and his cohort to help her.

Set in the near future around Shinjuku, Tokyo. Shinji got out from a youth detention center. Barikan suffers from stuttering and extreme shyness. These two men meet in a boxing gym. Shinji and Barikan become friends and pursue boxing under a hopeless situation.

The true story of boxer Jim Braddock who, following his retirement in the 1930s, makes a surprise comeback in order to lift his family out of poverty.

The life of boxer Jake LaMotta, whose violence and temper that led him to the top in the ring destroyed his life outside of it.