LAPD Detective Renee Ballard returns to Hollywood Station to find a stranger rifling through old file cabinets. The intruder is retired detective Harry Bosch, investigating the death of fifteen-year-old Daisy Clayton. Daisy was a runaway on the streets of Hollywood who was brutally murdered and left in a dumpster. Now, Ballard joins forces with Bosch to find out what happened to Daisy and finally bring her killer to justice.