Wallace MacDonald as a car mechanic who invents a revolutionary new carburetor. To prove the efficiency of his creation, MacDonald enters an important auto race. It soon develops that our hero is in direct competition with a car owned by Lionel Belmore, the father of his girl friend Elaine Hammerstein.
Elaine Hammerstein
Wallace MacDonald
Lionel Belmore
Robert Ober
Peggy O'Neil
