When Hamish sets out to uncover the truth behind the assassination of JFK, he learns more than he ever wanted to know about his house mates. Meanwhile, the parrot develops an almost unnatural interest in certain flavours of ice cream, and the worms in Trevor’s stomach remember the 1960s.
Trevor holds a seance and unwittingly conjures the spirit of Judy Garland. To Hamish’s horror, he ends up sharing the kitchen with a bad-tempered poltergeist.
When Hamish is made head of a notorious Mafia family, he orders the parrot to kill Trevor. In the meantime, Hamish seems to be having more than a little trouble with his “arsegrapes”.
Hamish becomes convinced that he has turned into a Mexican, so Trevor decides to try a little aversion therapy.
When the parrot goes on guard duty, and Hamish goes in search of a German spy, war is declared in the Pets house.
Much to the disgust of Hamish, Trevor enters for Stars In Their Eyes in the guise of screen legend Marilyn Monroe.
Hamish has been constipated for 14 months, so Trevor persuades him to try an extremely unorthodox cure. Meanwhile, JP asks the cat to go away with him for a dirty weekend.
Whilst sitting in the downstairs toilet, Hamish has a vision of the Archangel Gabriel and decides to dedicate himself to God. In the meantime, Trevor tries to persuade the cat to dress up for him as a nun.
Trevor assumes the guise of Sherlock Holmes in order to solve, once and for all, the mystery of Jack the Ripper, while Hamish discovers the delights of having sex with a Victorian washstand.