Heinz Engelmann

Stefan, a recent college graduate, hitchhikes from Germany to Paris where he meets American expatriate, Estelle. They chase the sun to Ibiza. An idyllic island life degenerates when she introduces him to heroin and they get addicted.

A thoroughbred is highly favored to win an important upcoming race, and several people connected to the horse begin to fall victim to a mysterious assailant. Meanwhile, an equine veterinarian is blackmailed to compromise the horse.