Some deserve to live. Others deserve to die.

A lunar eclipse hovers above Hamburg and bathes houses and streets in an unearthly light. In the exclusive district of Blankenese, four men are brutally murdered in the basement of a villa. Only the granddaughter of the owner survives the bloody massacre. Severely traumatized and completely listless, she is found sitting in the middle of the corpses. She cannot remember anything.

Assistant District Attorney Alex Gutenberg, who has to struggle with a number of personal issues himself, asks the criminal psychologist Dr. Evelin Wolf for support.

When Evelin succeeds in penetrating the buried memories of the key witness piece by piece, she and Alex begin to disclose not only the motives for the massacre, but also the unimaginable extent of cruelty and depravity behind it.

And Alex suddenly finds himself confronted with his own guilt-ridden past...