When Janek Mitter wakes up from a night of too much alcohol and sex, he must break into the locked bathroom, where he finds his wife dead in the bathtub. Suffering from amnesia as a result of his drinking, he falls into a lethargic state that lasts throughout his murder trial, conviction, and imprisonment in a mental hospital. Detective Chief Inspector Van Veeteren launches a new investigation when Mitter is murdered.
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