Charlie, competing with his rival's race car, offers Mabel a ride on his motorcycle but drops her in a puddle. He also kidnaps his rival before the race. But Mabel decides to take the wheels in his place, thus causing a threat to Charlie. As the race progresses, despite a very late start, Mabel manages to gain a lead of three laps. Charlie with his henchmen, tries to sabotage the race by using oil and bombs on the track. They seem to succeed for a while, but their dirty tricks were not enough to stop the high-spirited Mabel from winning the race.
