Joe Mason suffers from amnesia and is often in trouble. Catherine Foster befriends him and they marry. After a jolt jogs his memory, he remembers that he is the son of a rich businessman from Chicago, but he can't remember anything recent.
The story of a postman who applies the basic Christian law of love toward others as he covers his neighborhood mail route. A grouchy landlord, a struggling young widow and her son, a neighborhood gossip, an eligible young bachelor, and others are affected by his philosophy.