Season One of the ten-part television series BOSCH, starring Titus Welliver as Detective Harry Bosch, is based on three Harry Bosch thrillers: The Concrete Blonde, City of Bones and Echo Park. 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. 'The finest crime writer working today' Neil Cross, lead scriptwriter for Spooks and creator of Luther