Retired stage magician turned professional mystic debunker, John Barker, finds his sceptical beliefs under fire when he encounters a strange man who claims to be Merlin. After several unsuccessful attempts to rid himself of his increasingly unpredictable companion, John finally relents and agrees to assist in the man's crazy mission, to find the true grave of the mythical King Arthur.

Following a hidden code contained within the text of a soft porn novel, they gather a growing entourage of hippies, mystic seekers and alien hunters as they leave a trail of chaos across the...