From Alex Finlay, the author of Every Last Fear and The Night Shift, comes an action-packed new thriller What Have We Done, about the lives we leave behind and the secrets we carry with us forever.

It’s New Year’s Eve 1999. Y2K is expected to end in chaos: planes falling from the sky, elevators plunging to earth, world markets collapsing. A digital apocalypse. None of that happens. But at a Blockbuster Video in New Jersey, four teenagers working late at the store are attacked. Only one inexplicably survives. Police quickly identify a suspect, the boyfriend of one of the victims, who flees and is never seen again.

For the past five years, Ryan Richardson has relived that terrible night. The car door ripping open. The crushing blow to the head. The hands yanking him from the vehicle. His girlfriend Ali’s piercing scream as she is taken. With no trace of Ali or the car, a cloud of suspicion hangs over Ryan. But with no proof and a good lawyer, he’s never charged, though that doesn’t matter to the podcasters and internet trolls. Now, Ryan has changed his last name, and entered law school. He's put his past behind him. Until, on a summer trip abroad to Italy, Ryan gets a call from his father.

After a personal tragedy and professional scandal forces homicide detective Vanessa Castro out of Seattle, she takes a new job in Seaside, Washington, determined to make a fresh start. The small beach town, best known for its popular amusement park, Wonderland, seems like the perfect place to raise her young son and teenage daughter. But it's not that easy starting over, especially as the town's new Deputy Chief of Police. When a dead body turns up at the park her first day on the job, and then a teenage Wonder Worker goes missing, Vanessa's investigation is met with resistance.

Perla Wultz lives with her husband, Grant, and their precious daughter, Sophie, in a gated Pasadena community. Affluent, sociable, and accomplished, Perla plays the part of loving wife and mother to perfection. It seems an ideal life, if not for a decades-old crime that has become Perla’s dark and consuming secret obsession. Twenty-three years ago, Leewood Folcrum confessed to murdering two young girls during a birthday party. Though he’s been condemned to a life sentence, his crime is not forgotten.

A decade ago, two vans filled with high school seniors on a school service trip crashed into a Tennessee ravine—a tragedy that claimed the lives of multiple classmates and teachers. The nine students who managed to escape the river that night were irrevocably changed. A year later, after one of the survivors dies by suicide on the anniversary of the crash, the rest of them make a pact: to come together each year to commemorate that terrible night.

July 1995. April and Eddie have taken a wrong turn. They’re looking for the small resort town where they plan to spend their honeymoon. When they spot what appears to a lone hitchhiker along the deserted road, they stop to help. But not long after the hitchhiker gets into their car, they see the blood seeping from her jacket and a truck barreling down Atticus Line after them.

After their mother passes, three estranged siblings reunite to sort out her estate. Beth, the oldest, never left home. She stayed with her mom, caring for her until the very end. Nicole, the middle child, has been kept at arm’s length due to her ongoing battle with a serious drug addiction. Michael, the youngest, lives out of state and hasn’t been back to their small Wisconsin town since their father ran out on them seven years before.

Olivia Bender designs exquisite home interiors that satisfy the most demanding clients. But her own deepest desire can’t be fulfilled by marble counters or the perfect rug. She desperately wants to be a mother. Fertility treatments and IVF keep failing. And just when she feels she’s at her lowest point, the police deliver shocking news to Olivia and her husband, Park. DNA results show that the prime suspect in a murder investigation is Park’s son. Olivia is relieved, knowing this is a mistake. Despite their desire, the Benders don’t have any children. Then comes the confession.

Missouri, 1955. Loretta Davenport has led an isolated life as a young mother and a wife to Pete, an ambitious assistant professor at a Bible college. They’re the picture of domestic tranquility—until a local girl is murdered and Loretta begins receiving messages from beyond. Pete dismisses them as delusions of a fevered female imagination. Loretta knows they’re real—and frightening.

One weekend, while Andrew Mason was on a fishing trip, his wife, Brie, vanished without a trace. Most everyone assumed Andy had got away with murder—it’s always the husband, isn’t it?—but the police could never build a strong case against him. For a while, Andy hit rock bottom—he drank too much to numb the pain, was abandoned by all his friends save one, nearly lost his business, and became a pariah in the place he once called home.

Terror stalks the streets of Bayou Breaux, Louisiana. A suspected murderer is free on a technicality, and the cop accused of planting evidence against him is ordered off the case. But Detective Nick Fourcade refuses to walk away. He’s stepped over the line before. This case threatens to push him over the edge. He’s not the only one. Deputy Annie Broussard found the woman’s mutilated body. She still hears the phantom echoes of dying screams. She wants justice.

Four years ago, Brynn left Saint Ambrose School following the shocking murder of her favorite teacher—a story that made headlines after the teacher’s body was found by three Saint Ambrose students in the woods behind their school. The case was never solved. Now that Brynn is moving home and starting her dream internship at a true-crime show, she’s determined to find out what really happened.

One year ago, Isabelle Drake's life changed forever: her toddler son, Mason, was taken out of his crib in the middle of the night while she and her husband were asleep in the next room. With little evidence and few leads for the police to chase, the case quickly went cold. However, Isabelle cannot rest until Mason is returned to her—literally. Except for the occasional catnap or small blackout where she loses track of time, she hasn’t slept in a year. Isabelle's entire existence now revolves around finding him, but she knows she can’t go on this way forever.

Psychiatrist Dr. Gwen Moore is an expert on killers. She’s spent a decade treating California’s most depraved predators and unlocking their motives - predators much like the notorious Bloody Heart serial killer, whose latest teenage victim escaped and then identified local high school teacher Randall Thompson as his captor. The case against Thompson as the Bloody Heart Killer is damning - and closed, as far as Gwen and the media are concerned. If not for one new development.