The Hamburg psychiatrist Dr. Johannes "Joe" Jessen can hardly believe his eyes when Vincent Ruiz suddenly stands in his garden in despair. He is the superintendent who, a few months ago, was determined to convict him of the murder of two young women. But Ruiz is in serious trouble. A few days ago he was shot and fished unconscious from the Elbe and was temporarily in a coma. Now the problem is: Ruiz has no memory of the night in question, and the uncertainty drives him crazy.
