When eight people go on a cruise in the Bahamas, they plan to swim, sunbathe and relax. Getting shipwrecked is definitely not in the script. But after the yacht... » 

When eight people go on a cruise in the Bahamas, they plan to swim, sunbathe and relax. Getting shipwrecked is definitely not in the script. But after the yacht blows up they're stranded on a deserted island, and there's a maniac on the loose. «