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, creditors are calling, and after a breakup with his longtime girlfriend, he’s living in his office. Then John Bristow walks through his door with a shocking story: His sister, the legendary supermodel Lula Landry - known to her friends as the Cuckoo - famously fell to her death a few months earlier.

The enigmatic and brooding Detective Chief Police Inspector Simon Serrailler has long regarded drugs operations in Lafferton as a waste of time. The small-time dealers picked up outside the local high school can’t - or won’t - turn in any valuable names, so they are merely given a fine and the trail runs cold. But when the body of a 22-year-old drug addict is found in neighboring Starley, the case pulls Serrailler into the underbelly of an elaborate drug running operation that pushes narcotics out from the cities, into the suburbs, and right down to villages.

Chief Inspector Macdonald has been invited to a treasure hunt party at the house of the Graham Coombe, the celebrated publisher of Murder by Mesmerism. The clues of the hunt have been devised by Coombe's thriller-writer friends, disguised on the night under literary pseudonyms. The fun comes to an abrupt end, however, when 'Samuel Pepys' is found murdered in the telephone room in bizarre circumstances.

When newlyweds Agnes and Andrew Kinghof are present for the discovery of an over-ripe corpse in the air-raid shelter of their apartment building, the two set out to put their amateur detective skills to work. The dead man's sister is nearly frightened to death by the appearance of a grinning pig's head outside her window, and she claims to be threatened by someone calling himself 'The Pig'. The newlyweds deduce that it must be someone who lives in the same apartment building.

It is a dark and misty night, and bachelors Nicholas and Ian are driving to the ball at Fordings, a beautiful concert hall in the countryside. There waits the charming Dilys Maine, and a party buzzing with rumours of one Rosemary Reeve who disappeared on the eve of this event the previous year. With thoughts of this mysterious case ringing in their ears, Dilys and Nicholas strike a stranger on the drive back home, launching a new investigation and unwittingly reviving the search for what really became of Rosemary Reeve.