"After losing his leg to a land mine in Afghanistan, Cormoran Strike is barely scraping by as a private investigator. Strike is down to one client, and creditors are calling. He has also just broken up with his longtime girlfriend and is living in his office. Then John Bristow walks through his door with an amazing story: His sister, the legendary supermodel Lula Landry, known to her friends as the Cuckoo, famously fell to her death a few months earlier....

While visiting his family in Cornwall, Private Detective Cormoran Strike agrees to take on a cold case involving a woman who went missing in mysterious circumstances in 1974, and as Strike and his partner in the agency, Robin Ellacott, investigate the disappearance, they come up against a fiendishly complex case with leads that include tarot cards, a psychopathic serial killer, and witnesses who cannot all be trusted.