Cat, a fugitive from a parallel Earth ruled by aliens, lands on "our" Earth in the middle of a freeway, causing an accident.
A young Los Angeles police officer and a mysterious gnome become unlikely partners as they track a killer. When a sting operation goes awry, officer Casey is blamed for the murder of his colleague and Gnorm the gnome is the only witness.
A mysterious woman leads a doctor through a door into a parallel universe.
