Basa is a tiny, snow-white Kuvasz puppy when she begins living with peasant newlyweds intent on turning her into a guard dog. As Basa grows into an adult dog with a pleasant nature, she becomes the ruler of the village who is unafraid of both man and other animals. But one day when Basa hears a group approaching her house on horseback, her life is altered forever.

After the invading German soldiers beat her beloved master, Basa bravely attacks the men, until they overwhelm her, kill her master and his entire family including Basa's only pup, and whisk her away as a prize dog for their captain. But when Basa manages to escape and finds her way into the wild countryside to live amidst the reeds, she meets a wolf who soon becomes the father of her new litter of pups. Now as she begins a new adventure, Basa must teach her pups how to survive in an unpredictable world where life is never taken for granted.

Basa is a story of survival, hope, and love as a Kuvasz puppy grows into an adult dog who must bravely make her way in an uncertain world after her master is killed.