Film about hot rods. Two boys (teens) work on a car. Boy looks at Hot Rod Magazine. Articles include "Blown Buick V-8, Tune Up Tips, Homespun Terror, High School Hot Rod Show." Woman in a swim suit poses on top of a car. Other articles in the magazine are "A V-8 in your Model A" and "Build Yourself a Fordillac." Cars drive down the road at night. Teen boys race cars down the street. Policeman on motorcycle goes after them. Teen boy is driving fast. Shot of his foot pressing down on the accelerator. Police car chases him.