Wall of Noise (movie, 1963)

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.