In the isolated valley of Sentineldun, ancient traditions are more than customs—they are rules that must never be broken.

When Ethan, a young shepherd, secretly saves an old sheep from a ritual sacrifice, something ancient awakens in the valley. Animals begin to die, villagers disappear, and strange creatures wearing familiar faces emerge from the forest.

As the truth behind Sentineldun's traditions slowly comes to light, Ethan discovers that some debts are paid in blood—and that the land has a hunger of its own.