When her faithful tomcat D.C. (a.k.a. Darn Cat) brings home an important clue to a mysterious kidnapping, 16-year-old Patti Randall (Ricci) finds her ho-hum hometown suddenly turned into a hotbed of criminal excitement. And when she teams up with rookie FBI agent Kelso (Doug), to try to solve the baffling crime ... these would-be detectives follow That Darn Cat into some unexpected surprices!