An abused, neglected filly is abandoned in the desert, left to die. A young woman grieves the loss of her best friend, the champion horse she had built her life and future around. The heir to one of the largest ranches in Wyoming comes home to face the ire and disappointment of his grandfather. A world-renown scientist clashes with the U.S. government over a brutal, decades-long war to decide the fate of a beloved icon of the American West. Autumn and The Silver Moon Stallion is their story of love, hatred, and death. Will their struggles to save - or kill - hundreds of wild horses give them hope to fight for their beliefs, or tear them forever apart?