Mad Holiday

Philip Trent is tired of playing film detective Shelby James. He thinks that the stories are tripe and plans a vacation to get away from Hollywood. But on the ship, he meets a mysterious young woman and then finds a body, only to find out that the whole affair was staged by Peter Dean - author of the Shelby James novels. But then Mr. Van Mier is found murdered in the same way and the Dragon diamond is missing. (imdb)