With only days until their final port, the passengers of the Contessa Voyager learn that their guest lecturer, an ex-F.B.I. profiler, has been found hanging from the ship's rock-climbing wall. Suddenly their balmy, carefree idyll on the Caribbean is fraught with danger and anxiety. Will someone else be next? What can the shipping line do to ease the passengers fears? Clearly, this is a job for Henry Grave, a professional maritime detective. Join him as he helicopters aboard to solve the crime. His methods and style are unusual, and guaranteed to keep you laughing as you follow him from one hidden clue to the next.