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.

When Amy Gibson's mother is brutally murdered by her boyfriend, Amy's world is completely undone. Overcome with grief and heartache, she withdraws from everything around her—college, her friends, her entire life. Until her estranged half-brother, Oliver, saves her, pulling her back into her life and giving her family. Giving her a home.

After a late night of partying, NYU student Matt Pine returns to his dorm room to devastating news: nearly his entire family - his mom, his dad, his little brother and sister - have been found dead from an apparent gas leak while vacationing in Mexico. The local police claim it was an accident, but the FBI and State Department seem far less certain - and they won’t tell Matt why.

No visitors. No nights spent away from the apartment. No disturbing the other residents, all of whom are rich or famous or both. These are the only rules for Jules Larsen’s new job as an apartment sitter at the Bartholomew, one of Manhattan's most high-profile and mysterious buildings. As she gets to know the residents and staff of the Bartholomew, Jules finds herself drawn to fellow apartment sitter Ingrid. When Ingrid confides that the Bartholomew is not what it seems, Jules brushes it off as a harmless ghost story...until the next day, when Ingrid disappears.

Frank Szatowski is shocked when his daughter, Maggie, calls him for the first time in three years. He was convinced that their estrangement would become permanent. He’s even more surprised when she invites him to her upcoming wedding in New Hampshire. Frank is ecstatic, and determined to finally make things right. He arrives to find that the wedding is at a private estate—very secluded, very luxurious, very much out of his league. It seems that Maggie failed to mention that she’s marrying Aidan Gardner, the son of a famous tech billionaire.

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.

Two days ago, the Wilson family checked into the imposing, glass-fronted Lodge, surrounded by snow and perched perilously on the edge of a cliff looking out to a gray sea. Not everyone was looking forward to the family get-together. But mother-in-law Angela insisted the winter trip would help heal their rifts....

My husband is dead. I attended his funeral. I watched his casket be lowered six feet into the ground. (Actually, it may have been only five feet, but that still seems like more than enough.) And then we ate an array of finger sandwiches and deviled eggs and miniature beef wellingtons that cost more than my first car. My point is, Grant is gone. And so are all his many, many deep, dark secrets which I never really ever bothered to ask him about. He is never coming back.

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.

Dr. Sheila Tao is a professor of psychology, an expert in human behavior with her own hidden past. But she's not the only one keeping secrets. When Sheila began an affair with her sexy graduate assistant Ethan Wolfe, she knew she was playing with fire. Consumed by lust when they were together, she was riddled with guilt when they were apart. Now she's finally engaged to a good man, and it's time to end the dangerous liaison. But Ethan has something different in mind. He intends to make her pay for rejecting him.

It was a mistake to trust him. Shivering and bruised, a teen wakes up on the side of a dirt road with no memory of how she got there—or who she is. The police don’t know where she came from until a frantic man arrives at the station. He’s been searching for her for hours. He has her school ID, her birth certificate, and even family photos.

Twenty-five years ago, the body of 16-year-old Eve Knox was found in the caves near her home in small-town Grotto, Iowa - discovered by her best friend, Maggie, and her sister, Nola. There were a handful of suspects, including her boyfriend, Nick, but without sufficient evidence the case ultimately went cold.

When Heather McKinley dreamed of becoming a doctor, she imagined curing sick kids and sporting pink stethoscopes. She never anticipated the sleepless nights, grueling exams, and endless labs. And she certainly never knew that her medical school earned the nickname Dead Med thanks to the tragic history of students overdosing on illegal drugs. But Heather would never consider doing anything like that. That is, until her longtime boyfriend dumps her, she finds herself failing anatomy, and her world starts to crumble.

For 12-year-old Cora Landry and her friends Violet and Jordyn, it was supposed to be an ordinary sleepover - movies and Ouija and talking about boys. But when they decide to sneak out to go to the abandoned rail yard on the outskirts of town, little do they know that their innocent games will have dangerous consequences. Later that night, Cora Landry is discovered on the tracks, bloody and clinging to life, her friends nowhere to be found. Soon, their small rural town is thrust into a maelstrom. Who would want to hurt a young girl like Cora - and why?

Darby Thorne is a college student stranded by a blizzard at a highway rest stop in the middle of nowhere. She’s on the way home to see her sick mother. She’ll have to spend the night in the rest stop with four complete strangers. Then she stumbles across a little girl locked inside one of their parked cars. There is no cell phone reception, no telephone, no way out because of the snow, and she doesn’t know which one of the other travelers is the kidnapper.