When a nurse is murdered and another disappears during a hospital blackout, Detective Inspector Irene Huss of the Violent Crimes Unit struggles with a report by the crime's only witness, who claims she saw a nurse who died 60 years earlier.

"Just when things have finally cooled down for 88-year-old Maud after the disturbing discovery of a dead body in her apartment in Gothenburg, a couple of detectives return to her doorstep, ruining a perfectly good afternoon. Though Maud deftly dodges their questions with the skill of an Olympic gymnast a fifth of her age, she wonders if suspicion has fallen on her, little old lady that she is. The truth is, ever since Maud was a girl, death has seemed...