Doctor Gilbertson has a 'visitor' arriving in the afternoon - her sister's cat called Bess! And Bess looks rather similar to Jess!... Meow! Pat and Juluian have promised to get Bess to Doctor Gilberston. Double Meow! Poor Jess - Julian seems to like Bess more than him! And when Bess escapes a series of chases and misunderstandings make Julian realise how much he loves his good old friend Jess after all.