FBI Agent Gardner Camden is an analytical genius with an affinity for puzzles. He also has a blind spot on the human side of investigations, a blindness that sometimes even includes people in his own life, like his beloved seven-year-old daughter Camila. Gardner and his squad of brilliant yet quirky agents make up the Patterns and Recognition (PAR) unit, the FBI’s hidden edge, brought in for cases that no one else can solve. When DNA links a murder victim to a serial killer long presumed dead, the team springs into action.

Monica Tsai spends most days on her computer, journaling the details of her ordinary life and coding for a program that seeks to connect strangers online. A self-proclaimed recluse, she's always struggled to make friends and, as a college freshman, finds herself escaping into a digital world, counting the days until she can return home to her beloved grandparents. They are now in their nineties, and Monica worries about them constantly—especially her grandmother, Yun, who survived two wars in China before coming to the States, and whose memory has begun to fade.

When Demi Rao, a young woman, is at her wits' end and on the run from escaping her captor, she comes across an employment ad from the Ivory family, looking for someone to help maintain their elaborate estate. Although the ad is strange with meticulous directions to wear all white, no makeup, and speak quietly, Demi applies. With no choices, Demi gets and accepts the job, and when she does, she quickly realizes she's not there to clean; she's there for a purpose.

Meg Russo was behind the wheel when it happened. She and her husband Justin were driving their daughter Lily to Ithaca College, the family celebrating the eighteen-year-old music prodigy’s future. Then a car swerved up beside them, the young men inside it behaving bizarrely—and Meg lost control of her own vehicle. The family road trip turned into a tragedy. Justin didn’t survive the accident.

Lex Gracie doesn't want to think about her family. She doesn't want to think about growing up in her parents' House of Horrors. And she doesn't want to think about her identity as Girl A: the girl who escaped, the eldest sister who freed her older brother and four younger siblings. It's been easy enough to avoid her parents - her father never made it out of the House of Horrors he created, and her mother spent the rest of her life behind bars. But when her mother dies in prison and leaves Lex and her siblings the family home, she can't run from her past any longer.

Lex Gracie doesn't want to think about her family. She doesn't want to think about growing up in her parents' House of Horrors. And she doesn't want to think about her identity as Girl A: the girl who escaped, the eldest sister who freed her older brother and four younger siblings. It's been easy enough to avoid her parents - her father never made it out of the House of Horrors he created, and her mother spent the rest of her life behind bars. But when her mother dies in prison and leaves Lex and her siblings the family home, she can't run from her past any longer.

Together, Edward and Isabel move to London. They are young and in love, occupied by friends, work and fun. But late on a spring evening when they are thirty years old, their home is invaded by a serial killer. In the wake of this violation, each tries to come to terms with a night that changed everything—and their marriage begins to crumble. Twenty-five years later, their tormentor is caught, and Edward and Isabel reunite for his sentencing. Isabel has waited years for the man who nearly ended her life to be brought to justice. Edward has tried to think about anything else.

A group of friends gather at an Airbnb on New Year’s Eve. It is Benjamin’s birthday, and his sister Abigail is throwing him a jazz-age Murder Mystery themed party. As the night plays out, champagne is drunk, hors d’oeuvres consumed, and relationships forged, consolidated or frayed. Someone kisses the wrong person; someone else’s heart is broken. In the morning, all of them wake up—except Benjamin. As Abigail attempts to wrap her mind around her brother’s death, an eminent detective arrives determined to find Benjamin's killer.

Twenty-six-year-old Ruth excels at microchip design but decides to get rich the old-fashioned way: robbing banks. She becomes a cybercriminal and devotes five years to siphoning more than $250 million out of the banking system using a hacked firewall chip that she created and only she knows how to access. Then one night an alarm goes off and she realizes she’s been discovered.

On a blistering summer day in 1968, nine-year-old Tommy vanishes without a trace from Coram House, an orphanage on the shores of Lake Champlain. Some say a nun drowned him, others say he ran away. Or maybe he never existed. Fifty years later, his disappearance is still unsolved. Struggling true crime writer Alex Kelley needs a fresh start. When she’s asked to ghostwrite a book about the orphanage—and the abuses that occurred there—she packs up her belongings and moves to wintry Burlington, Vermont.