NYPD detective Sheryn Sterling has had her eye on Alex Traynor ever since his friend Cori fell to her death under suspicious circumstances a year ago. Cori’s death was ruled a suicide, but Sheryn thinks Alex - a wartime photojournalist suffering from PTSD - got away with murder. When Alex’s fiancée, Emily, a talented and beloved local doctor, suddenly goes missing, Sheryn suspects that Alex is again at the center of a sticky case.

It is 1946, and war-weary young ex-intelligence officer Lane Winslow leaves London to look for a fresh start. When she finds herself happily settled into a sleepy hamlet in the interior of British Columbia surrounded by a suitably eclectic cast of small-town characters, she feels like she may finally be able to put her past to rest. But then a body is discovered, the victim of murder, and although she works alongside the town's Inspectors Darling and Ames to discover who might have possibly have motivation to kill, she unknowingly casts doubt on herself.

Twenty-three years ago, Maggie D'arcy's family received a call from the Dublin police. Her cousin Erin has been missing for several days. Maggie herself spent weeks in Ireland, trying to track Erin's movements, working beside the police. But it was to no avail: No trace of her was ever found. The experience inspired Maggie to become a cop. Now, back on Long Island, more than 20 years have passed. Maggie is a detective and a divorced mother of a teenager. When the Gardaí call to say that Erin's scarf has been found and another young woman has gone missing, Maggie returns to Ireland.

On Memorial Day in Jewel, Minnesota, the body of wealthy landowner Jimmy Quinn is found floating in the Alabaster River, dead from a shotgun blast. The investigation falls to Sheriff Brody Dern, a highly decorated war hero who still carries the physical and emotional scars from his military service. Even before Dern has the results of the autopsy, vicious rumors begin to circulate that the killer must be Noah Bluestone, a Native American WWII veteran who has recently returned to Jewel with a Japanese wife.

When a landslip on Pembrokeshire’s stunning coastal path reveals the harrowing remains of two bodies, ex-DCI Evan Warlow’s quiet retirement is shattered.