A moneylender kidnaps the young son of a rich widow as part of a plot to cheat her of her fortune. The boy is sent away on a fishing boat with the intention of drowning him, but a kindly old fisherman intervenes.

The young daughter of an army captain missing in action runs away from school and is kidnapped by Parisian lowlifes. When the kidnapper flees to Nice with the child, the kind-hearted employee of one of his accomplices sets off in pursuit.