"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....

Tras perder una pierna en la explosión de una mína terrestre en Afganistán, Cormoran Strike intenta rehacer su vida trabajando como detective privado. En el terreno personal no le va mucho mejor: acaba de romper con su novia, por lo que ha tenido que marcharse de casa e instalarse en la oficina. En este desastroso momento aparece John Bristow con una historia asombrosa: su hermana, la supermodelo Lula Landry, conocida como El Cuco, ha caído desde...