Modern dog Pip transports to a primitive tribe. He saves tribe from wolves, named "Canis." Solves food crisis, uncovers Zeke's plot. Zeke kidnaps Canis, offers him to Forrest. Landslide; Canis saves Forrest. Roric is villain. Canis creates gunpowder, unites Kai and Forrest to defeat Roric. Tribes merge. Canis brokers peace with wolves, becomes "Dog King," teaches farming. Decades later, he returns home; archaeology confirms journey.