A German spy with information that could jeopardise the D-Day landings is stranded on a small Scottish island. Until he can be rescued by U-boat, he poses as a writer and finds shelter in the home of a married couple - but then proceeds to seduce the lonely and unhappy wife. Second World War spy thriller, starring Donald Sutherland, Kate Nelligan and Christopher Cazenove. Based on the novel by Ken Follett