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.

When the body of a young man is found stuffed into the tomb of a medieval knight, Parish Constable Daniel Haze is tasked with investigating his first solo murder case. Suspicion instantly falls on the only stranger to arrive in the village of Birch Hill just before the crime took place, but the American captain proves to be an unexpected asset. A former soldier and a skilled surgeon, Jason Redmond is not only willing to assist Haze with the investigation but will risk his own safety to apprehend the killer.

Everyone in Athena, Mississippi, knows Charlie Harris, the good-natured librarian with a rescued Maine coon cat named Diesel that he walks on a leash. He's returned to his hometown to immerse himself in books, but soon enough he's entangled in a real-life thriller. A famous author of gory bestsellers and a former classmate of Charlie's, Godfrey Priest may be the pride of Athena, but Charlie remembers him as an arrogant, manipulative jerk—and he's not the only one. Godfrey's homecoming as a distinguished alumnus couldn't possibly go worse: by lunch, he's put a man in the hospital.

In November 1987, a young couple on an overnight trip to Seattle vanished without a trace. A week later, the bodies of Tanya Van Cuylenborg and her boyfriend Jay Cook were found in rural Washington. It was a brutal crime, and it was the perfect crime: With few clues and no witnesses, an international manhunt turned up empty, and the sensational case that shocked the Pacific Northwest gradually slipped from the headlines.

Two little girls stand with their heads bowed in my living room. I’m told they’re my granddaughters. Daisy is nine, and Alice seven. Daisy is the spitting image of her mother. This is the first time I’ve met them since my daughter and I fell out after she married that waste of space, Vince. They’ve come to live with me because their mother — my daughter — was murdered. In her own home while they slept close by. I think Vince killed her. But the police can’t prove it. I’ve always known he was no good. He treated my daughter like dirt. I said he’d cheat on her — but she wouldn’t listen.

Lowen Ashleigh is a struggling writer on the brink of financial ruin when she accepts the job offer of a lifetime. Jeremy Crawford, husband of best-selling author Verity Crawford, has hired Lowen to complete the remaining books in a successful series his injured wife is unable to finish. Lowen arrives at the Crawford home, ready to sort through years of Verity's notes and outlines, hoping to find enough material to get her started. What Lowen doesn't expect to uncover in the chaotic office is an unfinished autobiography Verity never intended for anyone to read.

Who is Audrey Hoedemaker? It's a question her sister Maureen has heard more times than she can count, and she doesn't know what the short answer would be. Little sister, troubled teen, backpacker, musical theatre coach, con artist, childcare worker. Murderer. A tragic, traumatic childhood casts a long shadow on the Hoedemaker sisters. Maureen has worked hard to move beyond the violence of the past and build a good, honest life for herself. Audrey, however, just can't seem to do the same, careening from one state of chaos to another.

After the killing of a prominent mob lawyer, NYPD homicide detectives Jacob Jackson and Caitlin Grimes start receive chilling, written “rules” for how to commit the perfect murder. "Rule number one for the perfect murder: Evidence is your enemy. Leave none behind." Jackson (Reid Scott) and Grimes (Cobie Smulders) race to find the killer, setting them on a collision course with the city’s crime underbelly, and a perpetrator who seems happy to toy with them. “Rule number two. No crimes of passion. The perfect murder is always business, never pleasure.”

Kidnappers grabbed Jenna in broad daylight, right in front of her children and their horrified classmates. Her family was issued an insane ransom demand: $25 million in cash and jewels, payable by the end of the school day, otherwise they’ll never see her again. As Jenna’s mother scrambles to gather the money, detectives Mo Butler and George Ortega follow the trail of the kidnappers, which will lead them through a sordid landscape of jealous lovers, broken dreamers, and twisted schemers. But every second counts, and there’s one thing Jenna Wade doesn’t have: very much time.