Harness is a Thriller film that follows in the violent world of underground horse racing, a wannabe female jockey and her trainer brother-in-law become entangled in an illicit relationship full of blood, sweat, and sex that pushes the limits of their bodies and the law. Harness is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of thriller movies may also want to explore similar titles below.