It is a cold January morning, and Shetland lies beneath a deep layer of snow. Trudging home, Fran Hunter's eye is drawn to a splash of color on the frozen ground, ravens circling above. It is the strangled body of her teenage neighbor, Catherine Ross. The locals on the quiet island stubbornly focus their gaze on one man - loner and simpleton Magnus Tait.

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 story opens with the apparently accidental drowning of a sixth form student in the Norfolk countryside. As a matter of routine, or so it seems, the case passes across the desk of Detective Sergeant Smith, recently returned to work after an internal investigation into another case that has led to tensions between officers at Kings Lake police headquarters. As an ex-DCI, Smith could have retired by now, and it is clear that some of his superiors wish that he would do so.

"So I thought I might take up paragliding. You know, buy one on eBay and just jump off the cliff one morning." Emily Willows is middle-aged, widowed, wealthy, and bored. When she makes those flippant remarks to her son over coffee one Friday, she has no inkling that within a few hours she will be facing the most terrifying situation of her life.

D.I. Duncan McAdam is dispatched home to the Misty Isle. A body has been found buried in a remote location on the Waternish peninsula. Well-preserved in the peat, Isla Matheson—missing for the better part of two decades—is revealed to a shocked island community. A teenage runaway is dead...and no one is talking.