Detective Renée Ballard is tasked with running the LAPD's new cold case division—a poorly funded, all-volunteer unit with the largest case load in the city. Ballard approaches these frozen-in-time cases with empathy and determination. When she uncovers a larger conspiracy during her investigations, she'll lean on the assistance of her retired ally, Harry Bosch, to navigate the dangers that threaten both her unit and her life.
