Valentin Schmidt, a Bavarian civil servant with impeccable timing for disaster, has finally arranged a well-deserved vacation to the North Sea. He barely settles aboard the steamship before drama finds him: the captain collapses during lunch and fights for his life. Was he poisoned? Valentin, the only one willing to investigate, begins pulling at the threads of relationships and hidden motives woven through the crew and passengers — and discovers that the captain's collapse is the surface of something considerably more complicated.