Cats are mobbing into Eliot's apartment building. And Bruno will not allow it. This gives Eliot inspiration for his latest Ace Hart Adventure. The Cat gang has decided to take over Dog city and to run the dogs out of town. Unfortunately for them they have Bugsy Vile to contend with. Unfortunately for Bugsy, he can't get rid of them alone. Ace Hart and Bugsy team up in this episode to try to rid the city of all those cats! A twist to the plot however, throws Kitty, Bugsy's 'gal' in with the cat gang. Do the cats claw their way into Dog City?