A genetically mutated dog is stolen from the lab of mad scientist Dr. Jarret by news reporter/animal rights advocate Lori Tanner, who conceals it from the police in her home. The dog, Max, endowed with intelligence and other special abilities, is at first lovable, but also proves to be a ferocious, unstoppable killer.—Jeff Hole
A genetically engineered dog escapes from the science facility where it was created. A family takes it in unaware of its deadly instincts which soon emerge. The scientist who created the dog tries to find it before its too late.