Drama Sailing in the Menacing Caribbean

They were five at the beginning all family members looking for anadventures tour sailing in the Caribbean leaving a foggy Londonand a frostbitten Norway behind them. One of them wasn't supposedto be there at all but had to step in as skipper for his son now being busywith his broken arm. The sex bombe was totally keen on this trip while hersnobbish husband was there on a mission sailing was just an excuse for ulteriorbusiness. And it didn't take long until they were only 4 and then three. Butwho was to go first? Sharks and murders sex and more to follow on this 18days trip from Sint Martens to Grenada