The grocer's boy is in love with the farmer's daughter and they would have eloped had it not been for her father and his shotgun. At night the boy dreams that he is the hero of "The Three Musketeers." The sets are changed to represent medieval France, the costumes match the period, and in the dream the girl becomes the beautiful princess who is being forced to marry the bad man. The hero then rides to the rescue, and after fighting a whole army of soldiers and cavaliers. he rescues the girl--and then he wakes up. The next night the real fun begins. The grocer's boy and his three friends dress themselves as Musketeers and attack the farmer's house. After an unsuccessful attempt, the girl is finally rescued.