In this episode of Philip Marlowe, a vacation at a guest ranch turns deadly when a man is trampled to death by a black stallion named Thunder. As Marlowe investigates, he uncovers a web of deceit involving blackmail, shady silk dealings, and a botched murder attempt that leads to a dramatic confrontation between the suspects. With sharp dialogue, suspenseful twists, and a touch of romance, Marlowe navigates the treacherous terrain of the ranch to uncover the truth behind the tragic events that unfold under the desert sky.