Widower Colonel Dodge enjoys being single, but when Arbutus Quilty, his former sweetheart, threatens to sue him for breach of promise, he decides its time for him and his daughter Mary to take themselves a little vacation trip to Florida.

The tough outlaw 'Sierra' Bill falls in love with the traveling girl violinist Nelly Gray. Sierra forces her into marrying him. They have a child, but family life is interrupted by the gambler Ringe, who not only persuades Nelly to leave her husband but ruins Sierra at the gaming table. With thoughts of vengeance, the angry Sierra breaks out of jail and goes after Ringe.

Inventor John Turbin vows vengeance when "Iron Man" Moore, a wealthy iron industrialist, steals his plans. Poverty and disappointment make him a derelict, but he forgives his enemy and finds happiness after Moore's daughters, Hope and Joy, befriend him.