Sergeant Hofmeyer's son wants a new coaster. Hofmeyer schemes to get one. Meantime, the neighborhood kids decide to have a coaster race and little Billy, who wants to be in on it, hasn't his coaster. While Hofmeyer does his best, he observes a coaster in the street out of commission. Hofmeyer walks off with it and presents it to his son. Billy steals off with the coaster when Hofmeyer is in the house. Before he goes far the machine breaks down. Hofmeyer comes up and takes the youngster to the police station. Billy then declares that the coaster does not belong to Hofmeyer, that he stole it. At this moment the captain's boy enters and accuses Hofmeyer of taking his machine. The captain smashes Hofmeyer and a general fight commences. Billy looks on, proud that he can at least cause such trouble.
—Moving Picture World synopsis