Private detective Reiker investigates when a Rhine cruise turns deadly.

Reiker investigates a grisly murder in a derelict hotel and finds more than he expects.

In Death Cruise, Reiker takes a luxury Rhine river cruise aboard the Agrippina II with his obsessive former assistant Schneider to solve a slew of murders. Schneider thinks they're on vacation and tumbles...

A fortune teller cannot go wrong when she predicts murder, and calls on Reiker to find the killer(s).