Left in charge of a priceless magical ring by his young wizard master, Tom is horrified when the ring gets stuck on Jerry's head - and the little mouse takes off into the city. Before you can say "abracadabra," the entire town is hot on our heroes' tails, the sorcerer's ring is spouting a torrent of mischievous magic, and Tom and Jerry are up to their animated ears in the most supernaturally hilarious escapade of their cartoon career .