 Tabitha and Adam Stephens go to spend the summer with there Aunt Georgia, Darrin s mortal sister, and her children who happen to be members of a combination rock band/circus act known as the Clown Family. At the same time the evil warlock Count Krumley attempts to steal the circus and ruin the band s chances of recording an album. It is up then up to Tabitha and Adam to stop Count Krumley without revealing the fact that they inherited their mother Samantha s powers.