When Jules Worthington-Smith's wallet is found next to a dead man, she becomes the prime suspect in his murder. After struggling for years to build the perfect family and career, she's dangerously close to losing everything. Sure of her innocence, Jules is desperate to clear her name. But there's one big problem: she was blackout drunk when the murder took place and can't remember what happened. Unsatisfied with the police's handling of the case, Jules embarks on her own gin-fueled murder investigation. 

In September 2011, Erik Weissman and two friends were murdered in a brutal triple homicide in Waltham, Massachusetts. The case went unsolved for months and then years, with no discernible leads. Erik’s friend Susan Zalkind, an investigative journalist, needed closure and knew that finding it would be up to her. As Susan began digging, and as the Boston Marathon bombing exposed startling new leads, the case led her down a tangled and sometimes dangerous path to the truth.

Maeve McKenna is on the verge of a breakdown. Having worked herself into the ground as a sought-after interior designer in London, she’s in desperate need of a vacation. Philomena Duffy is a little lonely. After losing her husband, their crumbling mansion, Willow House, feels awfully empty. With the rugged shores of Ireland calling, Maeve visits her aunt Philomena in Sandy Cove, where she once, as a teenager, kissed a wild, mysterious boy - a kiss she has never been able to forget.

All the world is a puzzle, and Mike Brink—a celebrated and ingenious puzzle constructor—understands its patterns like no one else. Once a promising Midwestern football star, Brink was transformed by a traumatic brain injury that caused a rare medical condition: acquired savant syndrome. The injury left him with a mental superpower—he can solve puzzles in ways ordinary people can’t. But it also left him deeply isolated, unable to fully connect with other people.

Rachel lives a quiet life in the peaceful countryside, content with her perfect man and her lovely dog. But when she stumbles upon a body in the woods one day, all that shatters. She knows what she has to do: run. Don’t get accused of murder. But when this victim is identified as her boyfriend’s estranged wife, Rachel realises she’s already the prime suspect. With mounting evidence against her, Rachel’s only hope is to keep her past well hidden.