Having been scalded by boiling water earlier that day, and with little chance to survive the severe winter night, a stray dog is left for dead on the streets. Lamenting his fate, he is ill prepared for the chance arrival of a wealthy professor who befriends him and takes him home. However, it seems the professor’s motives are not entirely altruistic - an expert in medical experimentation, he sees his new charge as the potential subject for a bizarre operation, and implants glands from a dead criminal in the dog. The resulting half-man, half-beast is, as to be expected, a monstrosity, yet one that fits in remarkably well with Soviet society…