College student Joe Talbert has the modest goal of completing a writing assignment for an English class. His task is to interview a stranger and write a brief biography of the person. With deadlines looming, Joe heads to a nearby nursing home to find a willing subject. There he meets Carl Iverson, and soon nothing in Joe's life is ever the same. Carl is a dying Vietnam veteran-and a convicted murderer. With only a few months to live, he has been medically paroled to a nursing home after spending thirty years in prison for the crimes of rape and murder.

Sisters. Strangers. Survivors. More than 20 years ago, Claire and Lydia's teenaged sister Julia vanished without a trace. The two women have not spoken since, and now their lives could not be more different. Claire is the glamorous trophy wife of an Atlanta millionaire. Lydia, a single mother, dates an ex-con and struggles to make ends meet. But neither has recovered from the horror and heartbreak of their shared loss—a devastating wound that's cruelly ripped open when Claire's husband is killed.

A girl with a secret. Longbill Beach, 1982. Emily Vaughn gets ready for the prom. For an athlete, who is smart, pretty and well-liked, this night that should be the highlight of her high school career. But Emily has a secret. And by the end of the evening, that secret will be silenced forever. Forty years later, Emily’s murder remains a mystery. Her tight-knit group of friends closed ranks; her respected, wealthy family retreated inwards; the small town moved on from her grisly attack. But all that’s about to change.

Trauma victims are not new to medical examiner Faith McIntyre, but this one is different. The unconscious woman clinging to life after a hit and run is FBI agent Macy Crow. What the woman from Quantico was doing in a dark alley after midnight is just one mystery. The other is more unsettling: Macy is Faith’s mirror image—the twin sister she never knew she had.

Fourteen years ago, Kaitlin Roe was the lone witness to the abduction of her cousin Gina. She still remembers that lonely Virginia road. She can still see the masked stranger and hear Gina’s screams. And she still suffers the guilt of running away in fear and resents being interrogated as a suspect in the immediate aftermath. Now Kaitlin has only one way to assuage the pain and nightmares—by interviewing everyone associated with the unsolved crime for a podcast that could finally bring closure to a case gone cold.

Ten years ago, PI Jessie Cole and reporter Ben Morrison each suffered a tragedy that changed their lives - and now these two strangers are about to share a nightmare. For Jessie, who makes her living finding missing persons, no case has consumed her more than the disappearance of her younger sister, Sophie. But left alone to raise Sophie's daughter, she realizes that solving the case has become an unhealthy obsession.

When they were children, Sean Devine, Jimmy Marcus, and Dave Boyle were friends. But then a strange car drove up their street. One boy got in the car, two did not, and something terrible happened - something that ended their friendship and changed the boys forever. Twenty-five years later, Sean is a homicide detective. Jimmy is an ex-con. And Dave is trying to hold his marriage together and keep his demons at bay - demons that urge him to do horrific things. When Jimmy's daughter is murdered, Sean is assigned to the case.

Escaping from a madman should have been the end of her nightmare. Instead it was only the beginning...Lizzy Gardner was just seventeen when she was kidnapped by the psychopath known as Spiderman, a serial killer terrorizing her California hometown. Imprisoned and tormented for months, Lizzy narrowly escaped with her life and Spiderman vanished without a trace. But if she thought he would forget her, she was dead wrong.

On an icy winter's day in southwest Michigan, Grace Abbot wakes up as the survivor of a car crash. But she's left with a traumatic brain injury and a terrifying reality: she can't remember anything. Left in the care of her sister, Grace returns to the family's secluded old farmhouse to recover - but within an hour of her return, the police arrive. Grace's boyfriend has been murdered. Without any memory, Grace has no alibi.

Nobody knows what happened to Sarah Cook. The beautiful blonde teenager disappeared 15 years ago, the same night her parents were brutally murdered in their suburban Ohio home. Her boyfriend, Brad Stockton - black and from the wrong side of the tracks - was convicted of the murders and is now on death row. Though he's maintained his innocence all along, the clock is running out. His execution is only weeks away when his devoted sister insists she spied Sarah at an area gas station.

When Emery Hazard and his husband, John-Henry Somerset, arrive home from their honeymoon, they’re shocked (understatement of the year) to find a boy waiting for them on their doorstep. Colt, 15 and eager to pick a fight, claims to be Hazard’s son. It’s almost a relief, then, for Hazard and Somers to be called out to assist the Dore County Sheriff’s Department with what seems to be an impossible murder: a man has been found stabbed to death in a stretch of woods, and the only set of footprints in the soft ground belong to the victim.

A woman’s body is found floating in a sultry Florida mangrove. She has no ID, and there is no indication of cause of death. Who is she? Who killed her? Everyone has dark secrets that will be revealed. Rookie Detective Tom Lange couldn’t have landed a more difficult first case. The only thing he has to go on is the woman’s butterfly tattoo. His boss, Lauren Blythe, piles the pressure on, and the medical examiner won’t tell him what he needs to know.

A tough special agent with the Department of Justice and a dedicated single mother to her orphaned nephews, Samantha Chase is unbreakable. Until two women, both from the shadows of Sam's past, are discovered strangled. For Sam, the most unnerving detail is the eucalyptus branch tucked behind the victims' ears - the signature of a notorious serial murderer already convicted and executed for his crimes.

July 1989, in a sleepy Michigan town, high school grad Nina Laramie heads out with her friends and is never seen alive again. Months later, her skeleton is found near a remote party spot in the forest. The ME determines Nina has been brutally raped and bludgeoned to death. Fear and anger ripple through this tight-knit community when the case goes cold. Thirty years later, Riley St. James, a Detroit PD assigned to Nina’s case, is determined to get her first big cold case win despite having a similar past to the victim.

When the dead body of a Latino woman is found in a reservoir about 50 miles north of Manhattan, with a photo of a baby in her purse nearby, the police try to determine who the child is and if it is still alive. Along with the photo, they also find a disturbing note in the purse: "Go back to your country. You don't belong here."