Dan O'Hara known as "Big Dan" returns from the war and finding that his wife has left him turns his home into a boys' camp and begins to train boxers. He meets Dora Allen rescues her from an unwanted suitor and gives her shelter in the camp. For a time their relationship which has become serious is complicated by the intrusion of another suitor and by a woman who informs Dora that O'Hara is already married. The wife dies however and O'Hara wins Dora.