While his wife is away, Bill sees Lillian and wishes to flirt with her. But he has been left in charge of the baby in its carriage. So he takes the baby to a checking station and leaves it. Then he goes off to a park bench with Lillian. The forgotten carriage starts to run downhill. Gale sees it and gives chase. It runs into a sleeping tramp, who steals it. Milt has also checked his baby. Gale comes upon her husband and Lillian. Bill rushes back to the station for his child, leaving Lillian to the tender mercies of his wife. He grabs Milt's baby while the attendant is not looking. Many complications ensue, including the arrest of the tramp. Finally the babies are restored to their respective owners.
—Moving Picture World synopsis