Young Alec Ramsay is shipwrecked on a desert island with a horse destined to play an important part in his life. Upon rescue, their adventure continues in America.

When his rightful owner repossesses the Black, eighteen-year-old Alec travels across the deserts of Arabia to find the great stallion and helps to solve a tribal feud.

Alec Ramsay's life is changed after he spends a terrifying night lost in the Florida Everglades with a deranged Frenchman who is helping him search for the runaway black stallion.

The black stallion helps save an Indian tribe during a time of disaster, thereby fulfilling an ancient prophecy.

While in Greece making a film about Alexander the Great, Alec Ramsay and the Black Stallion get lost and find an immortal city ruled by the tyrannical, ancient Thracian god-king Diomedes, whose flesh-eating mare, not yet tamed by Hercules, takes an dangerous interest in the Black Stallion.