Crime drama starring Tony Britton. Writer Greg Parker (Britton) goes on holiday in an attempt to gain a better outlook on his imminent divorce. However, he finds himself in a predicament when discovers he is staying in the same BB as a murderer, Jacko Thomas (William Lucas). The situation becomes even more dangerous when an undercover detective is murdered. It is up to Jacko's sister Sue (Christina Gregg) to realise what her brother is capable of in order to help Greg escape a brutal fate.