Takkar, a hunter of the Wenja tribe, becomes separated from his people after his hunting party is killed by a sabertooth tiger in the prehistoric land of Oros. He soon learns that the Wenja have been scattered across the valley, their village destroyed by the brutal Udam, a Neanderthal-like tribe that raids them for food. Takkar discovers he possesses the rare ability to tame wild animals, earning him the title of Beast Master. He begins gathering the surviving Wenja around a new settlement, rebuilding their strength. As Takkar unites his people, he faces threats from two directions: the cannibalistic Udam in the northern mountains, and the Izila, a more technologically advanced tribe in the southern marshlands who capture Wenja for slavery and ritual sacrifice. With an ever-growing pack of tamed beasts at his side and specialist allies lending their skills, Takkar must lead his tribe against both enemies if the Wenja are to survive in Oros.
