The lives and loves behind the scenes at the racetrack are detailed in this thoroughbred soap opera. An ambitious young trainer, Joel Tarrant (Ty Hardin), enters into an illicit affair with the stable owner's wealthy wife, hot-to-trot Laura Rubio (Suzanne Pleshette), in the hope that someday he'll have enough dough to buy his own horses and stable.

Danny Fisher, young delinquent, flunks out of high school. He quits his job as a busboy in a nightclub, and one night he gets the chance to perform. Success is imminent and the local crime boss Maxie Fields wants to hire him to perform at his night club The Blue Shade. Danny refuses, but Fields won't take no for an answer.

One evening, Hammer gives a ride to Christina, an attractive hitchhiker on a lonely country road, who has escaped from the nearby lunatic asylum. Thugs waylay them and force his car to crash. When Hammer returns to semi-consciousness, he hears Christina being tortured until she dies. Hammer, both for vengeance and in hopes that "something big" is behind it all, decides to pursue the case.