Inspector Gadget is a cyborg policeman in Metro City. In spite of the advanced cybernetics which make up his body, Gadget is completely incompetent at his job, much to the dismay of his superior, Chief Quimby. Gadget's orphaned niece Penny moves in with him in Metro City, bringing with her her dog Brain. They at first struggle to bond, until Gadget learns that Penny wants to be a detective. Gadget decides he wants to be his niece's role model, but struggles to pulll this off because of his constant bumbling.