Widowed genealogist Ellie McLellan has spent years healing her ravished heart by carefully constructing a new and quiet life away from the hungry glare of the paparazzi. She now fills her days with genealogical research for various clients, safe in the small town of Percyville, Quebec. Until her bid to save a child's life is caught on camera and ambitious tabloid reporter Diane Cooper recognizes her. Turns out Ellie is not safe at all. With Diane sniffing around for dirt and her "big break" story, Ellie learns a dark family secret with the power to destroy the only family she has left.

Maggie Gilbert and her children, Jack and Alice, live a pretty normal life. That is, until Maggie starts looking into her family tree. In doing so, she uncovers a dark mystery that endangers her children. She has to solve the mystery in the past, if she is to save her family in the present. Together with a fellow genealogist, Zelah, Maggie unearths more and more details about the drowning of a small girl and the unsolved disappearance of Maggie's ancestor.

Still reeling from the dangers of a recent case, forensic genealogist RaeJean Hunter takes on a supposedly routine case to locate the missing heir of a woman she met in Central Park a year ago. Tantalized by a hefty income, she accepts. But there's a catch—she must find the heir within six months, or the forty-million-dollar estate is donated to a local university. With the tight deadline comes the chance of a sizeable bonus, a series of unforeseen obstacles, and the unexpected connection to a cold case from 1910, when perfume heiress Dorothy Arnold disappeared without a trace.

The job presented to forensic genealogist, Morton Farrier, ought to have been simple and easy. But the surprise discovery of an additional marriage to his client’s father leads Morton on an enquiry, revolving around a mysterious death in the county asylum. Requiring his various investigative genealogical skills, Morton must work to unravel this complex 80-year-old secret and finally reveal the truth to his client.

When Detective Clayton Tyler is tasked with reviewing the formidable archives of unsolved homicides in his police department’s vaults, he settles on one particular cold case from the 1980s: the Chester Creek Murders. Three young women were brutally murdered - their bodies dumped in Chester Creek, Delaware County - by a serial killer who has confounded a slew of detectives and evaded capture for over 38 years.