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.

In a bid to heal from the grief of a personal loss, forensic genealogist RaeJean Hunter takes on a straightforward case-identify human remains found on a nearby college campus, believed to be the 180-year-old remains of Mary Rogers, a woman who died mysteriously in 1841 and was believed to have been buried in the nearby cemetery that had washed away. It should be simple enough, a project to get her back in the game.

Two hundred years ago a loyalist family fled to England to escape the American War of Independence and seemingly vanished into thin air. American genealogist Jefferson Tayte is hired to find out what happened, but it soon becomes apparent that a calculated killer is out to stop him.

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.