United States Coast Guard chases illegal liquor smugglers in Stapleton, New York during prohibition. A Coast Guardsman aboard a ship fires at a speeding boat of rum smugglers including Jim Deering. The Coast Guards at a harbor as they embark onto a speed boat and it pulls away. They chase the smugglers. They arrest the smugglers and confiscate illicit liquor cargo. The smugglers with their hands held up. Officers bring them to the dock.