Troubled teenager Scott aspires to be a professional drag race car driver. Scott makes several faltering attempts to break into the world of drag racing with the help of his affluent businessman father Jeff. Undaunted, Scott decides to spurn Jeff's advice by branching out on his own by going on the road as a gopher for a successful drag race car driver.

Shirley Muldowney is determined to be a top-fuel drag racer, although no woman has ever raced them before. Despite the high risks of this kind of racing and the burden it places on her family life, she perseveres in her dream.