Harry Bosch is back as a volunteer working cold cases for the San Fernando police and is called out to a local drug store where a young pharmacist has been murdered. Bosch and the town's three-person detective squad sift through the clues, which lead into the dangerous big-business world of prescription drug abuse. Meanwhile, an old case from Bosch's LAPD days comes back to haunt him when a long-imprisoned killer claims Harry framed him and seems...

Detective Renee Ballard is working the graveyard shift again, and returns to Hollywood Station in the early hours only to find that an older man has snuck in and is rifling through old file cabinets.The intruder is none other than legendary LAPD detective Harry Bosch, working a cold case that has gotten under his skin. Ballard kicks him out, but eventually Bosch persuades her to help and she relents. Bosch is investigating the death of fifteen-year-old...