A singer holes up at a sinister estate to write new songs for his act. His ex-wife is brutally murdered, and the killer may be stalking him next.

Andy Van Allen, former hero of the cult 80s futuristic TV show Children of Castor, is now working as a hotel porter. When Andy receives an unusual offer - the Children of Castor fan club-organised cruise around the Greek islands, with him as the principal celebrity - a combination of Andy's cynicism, his fans' adoration, a misguided sexual encounter and an unexpected reunion with his more famous co-star, Nick Lee, ensure the paradise cruise is far from plain sailing.