Although the plot is fairly well worn, this is an entertaining whodunnit set aboard a cruise ship with some good twists.
Three couple begin their cruise of the Caribbean, all of them winning their holiday in a competition, though they can't remember entering it. Unfortunately, it isn't long before the first dies, Jerry (Richard Long) apparently falling overboard. It could be an accident though ship's doctor Dr Burke (Michael Constantine) isn't so sure. When the next deaths occur, including the shooting of Jerry's wife Sylvia (Polly Bergen), then Burke is convinced the deaths are all part of a dastardly plan, but who and why?
There have been quite a few films showing a group of being being bumped off one by one by a mystery killer, in great TV movie fashion pretty much everyone in this film has some kind of dark past and secret (except Burke). It is an enjoyable murder mystery film all the same, very competently done, and the final twists are excellent.
