In 1993 Harry Bosch Was Assigned the Case of a Missing Person, Marie Gesto. the Young Woman Was Never Found - Dead or Alive - and the Case Has Haunted Bosch Ever Since. Thirteen Years Later Bosch is in the Open-Unsolved Unit When He Gets a Call From the Da's Office. a Man Accused of Two Killings is Willing to Confess to Several Other Murders in a Deal to Avoid the Death Penalty. One of His Victims, He Says, is Marie Gesto. Bosch Begins to Crack When He Realises That He and His Partner Missed a Clue Back in 1993 Which Could Have Prevented the Nine Murders That Followed the Killing of Marie Gesto...