Otherwise, one of them will die.Three strangers, two secrets, one terrifying evening. The million-copy bestseller returns with a gripping new novel that will keep you guessing until the end.

    Now, Roisin has discovered a secret—one Erin has kept for over a decade—and she’s determined to make Erin pay for her lies.Erin wants nothing to do with Roisin. She has a new life in London and no intention of going back home. Yet when her father is mysteriously and critically injured, Erin has no choice but to return and face Roisin—and her past. Erin knows if the secret of what she gave up got out, the consequences could be devastating.When Roisin suddenly disappears, suspicion soon lands on Erin. She would do anything to protect her family, but just how far is she willing to go when time is running out…?

    It’s the perfect getaway to unplug—and to calm an uneasy marriage. But on Adam’s first day out on the water, he sees Sophie abducted by a stranger. A hundred yards from shore, Adam can’t save her. And Sophie disappears.In a nearby cabin is another couple, Kristen and Connor Moss. Unfortunately, beyond what they’ve heard in the news, they’re in the dark when it comes to Sophie’s disappearance. For Adam, at least there’s comfort in knowing that Mason County detective Lee Husemann is an old friend of his. She’ll do everything she can to help. She must.But as Adam’s paranoia about his missing wife escalates, Lee puts together the pieces of a puzzle. The lives of the two couples are converging in unpredictable ways, and the picture is unsettling. Lee suspects that not everyone is telling the truth about what they know—or they have yet to reveal all the lies they’ve hidden from the strangers they married.