Maurice is a streetwise ginger cat who comes up with a money-making scam by befriending a group of self-taught talking rats. When Maurice and the rodents meet a bookworm called Malicia, their little con soon goes down the drain.

Sylvester's carnivorous pursuit of Tweety Bird continues, winding up the cat's spirit in Hell, where he meets a satanic bulldog.

Louie the Parrot finds a written will stating that his master bequeathes the family fortune not to him, but to his fellow household pet, a lunkheaded cat named Heathcliff, with the proviso that Louie is next in line to inherit the wealth if Heathcliff dies. So, Louie plots the untimely demise of Heathcliff.