Former police detective Jack Grayling, pursuing his dream of becoming a cabaret singer on a luxury Mediterranean cruise ship, investigates a series of murders on board with the help of the ship's first officer, Kate Woods.
The ship docks in Ancona, Italy. Piers is in great spirits, and arranges to meet Sharon for some food, their romance blossoming beautifully. But first he must entertain two old naval college friends, Jens and Antoine.
