In this prequel to the international best seller The Ruin, set 10 years prior, bright-eyed Carrie Ryan is at the very start of her career. When she has a hunch about an ongoing murder investigation, she knows it could be her only chance to prove herself and truly break into the “boys' club” of Dublin’s police force.

When the Cassidy-Shaws’ autonomous minivan collides with an oncoming car, seventeen-year-old Charlie is in the driver’s seat, with his father, Noah, riding shotgun. In the back seat, tweens Alice and Izzy are on their phones, while their mother, Lorelei, a world leader in the field of artificial intelligence, is absorbed in her work. Yet each family member harbors a secret that implicates them in the accident. During a weeklong recuperation on the Chesapeake Bay, the family confronts the excruciating moral dilemmas triggered by the crash.

At first, Logan Ramsay isn’t sure if anything’s different. He just feels a little . . . sharper. Better able to concentrate. Better at multitasking. Reading a bit faster, memorizing better, needing less sleep. But before long, he can’t deny it: Something’s happening to his brain. To his body. He’s starting to see the world, and those around him—even those he loves most—in whole new ways. The truth is, Logan’s genome has been hacked. And there’s a reason he’s been targeted for this upgrade.

Cal Hooper thought a fixer-upper in a bucolic Irish village would be the perfect escape. After 25 years in the Chicago police force and a bruising divorce, he just wants to build a new life in a pretty spot with a good pub where nothing much happens. But when a local kid whose brother has gone missing arm-twists him into investigating, Cal uncovers layers of darkness beneath his picturesque retreat, and starts to realize that even small towns shelter dangerous secrets.

Renée Ballard works the night shift in Hollywood, beginning many investigations but finishing none, as each morning she turns her cases over to day shift detectives. A once up-and-coming detective, she's been given this beat as punishment after filing a sexual harassment complaint against a supervisor. But one night she catches two cases she doesn't want to part with: the brutal beating of a prostitute left for dead in a parking lot and the killing of a young woman in a nightclub shooting. Ballard is determined not to give up at dawn.