Kuro, a simple cat devoted to safeguarding his elderly owners, undergoes a startling transformation when a malevolent scientist abducts him during a rendezvous with his dog girlfriend, Pooly. Altered into a robot, Kuro defies his programming by discarding his controlling chip. As he grapples with his newfound ability to converse and his unsettling robotic form that terrifies people, Kuro ingeniously conceals himself as a plush toy to persist in his role as a loyal pet.