Sarah's cat Rotten Ralph tries to help her create a school project based on ancient Egypt, but he is more of a hindrance than a help.

Ralph, a very, very, nasty cat, finally sees the error of his ways--or does he?

"Ralph takes a swing through his family tree to find out why he's so rotten"--

Rotten Ralph makes an earnest attempt at good behavior but is enticed, not too reluctantly, into a series of misadventures by some ruffian alley cats.