The husband and wife gangster duo Mac and Molly Mange were thought to have died while trying to escape from Alkatraz. Now, for the first time since their ""makeover,"" courtesy of inventor Professor Hackle, they're back in Megakat City and planning to ""tear up this town like a scratchin' post!"" But Mac and Molly's first priority is getting revenge on those who had wronged them in the past, and at the top their hit list is Mayor Manx. It's mayhem down at City Hall as the Swat Kats fight to destroy the seemingly unstoppable Metallikats.