Two Investigators are sent out to Hawaii to track down the young heir to a Baltimore fortune. Through luck and good detective work, they learn he is working aboard the Stralsund, an aging cargo ship that is making it's last trip before being scrapped. There's something strange about the ship. It's carrying a peculiar collection of passengers, each one with their own secrets, and hidden agendas. The trip becomes a watery nightmare when guests and crewmembers begin to turn up dead.