Ten-year-old Malcolm and his friend, Dandy, are the Ghost Detectors. With their specter detector and ghost zapper, the duo is ready to take down any ghost, from a ghoulish dance instructor to a haunted zoo! Malcolm wishes it were that easy to zap his sister, Cocoa. Between Cocoa and spunky Grandma Eunice, the Ghost Detectors' adventures are sure to get some laughs.