Darkness knows. Indridason A.

In the immense depths of the LangyoCtl glacier, they find a frozen body of a businessman who disappeared without a trace thirty years ago. The crime then remains unsolved.

the police have no choice but to arrest the seriously ill suspect Hyaltalin, who at one time was not able to hide the bars. , resumes his own investigation of this case, which for decades has haunted him. Before his death, Hyaltalin asks Konraud to find a real killer and avenge all the suffering tormenting his soul.

When a drunk woman comes to Konraud at night with a strange frightening information received from her tragically dead brother, a new clue finally appears who can lead to a real criminal.

But will Konraudu have the strength to reveal the terrible secrets that have been accumulating for decades, and the brutal truth that can destroy many lives?