Strong Boy, the baggage handler in a railroad station, saves the child of a railroad vice president from being crushed by a trunk and is promoted to the head of the lost-and-found department. Mary McGregor, his sweetheart, becomes disgusted and walks out on him. Strong Boy later returns a pearl necklace to a movie star and is again promoted, this time to the position of fireman on the locomotive of which Mary's father is the engineer. Strong Boy prevents a holdup and is forgiven by Mary, whom he marries.