A new cat tries to move in on Heathcliff's 'operation.' But Heathcliff quickly shows him who's boss. The angry new cat decides the only way to dispose of Heathcliff is to make it look like he's gone on a rampage, causing all sorts of trouble. Donning a cat costume that resembles Heathcliff, the villain terrorizes the neighborhood, causing even Grandpa and Grandma to turn against Heathcliff. But Heathcliff and Iggy spot the impostor and turn the tables on him / While Riff Raff is away, the Catillac Cats are distracted by some beautiful felines and the former owner of the Catillac reclaims it from the junkyard. Led by a furious Riff Raff, the cats find the car but are foiled from getting it back by an alarm system and repeatedly being sent to the pound where Riff Raff has to keep springing them loose. The cats finally scare the owner into thinking the car is haunted by feline ghosts. He gladly gives the car up to the cats delight.