But she knows why they are there. Be careful who you let in...A house swap becomes the eerie backdrop to a crumbling marriage, a long-buried affair, and the fatal consequences that unfold.When Caroline and Francis receive an offer to house swap--from their city apartment to a house in a leafy, upscale London suburb--they jump at the chance for a week away from home, their son, and the tensions that have pushed their marriage to the brink.As the couple settles in, the old problems that permeate their marriage--his unhealthy behaviors, her indiscretions--start bubbling to the surface. But while they attempt to mend their relationship, their neighbor, an intense young woman, is showing a little too much interest in their activities.Meanwhile, Caroline slowly begins to uncover some signs of life in the stark house--signs of her life. The flowers in the bathroom or the music might seem innocent to anyone else--but to her they are clues. It seems the person they have swapped with is someone who knows her, someone who knows the secrets she's desperate to forget. . . .Be careful who you let in. . .

    A struggling actor, a Brit in America without a green card, Claire needs work and money to survive. Then she gets both. But nothing like she expected. Claire agrees to become a decoy for a firm of divorce lawyers. Hired to entrap straying husbands, she must catch them on tape with their seductive propositions. The rules? Never hit on the mark directly. Make it clear you’re available, but he has to proposition you, not the other way around. The firm is after evidence, not coercion. The innocent have nothing to hide. Then the game changes. When the wife of one of Claire’s targets is violently murdered, the cops are sure the husband is to blame. Desperate to catch him before he kills again, they enlist Claire to lure him into a confession. Claire can do this. She’s brilliant at assuming a voice and an identity. For a woman who’s mastered the art of manipulation, how difficult could it be to tempt a killer into a trap? But who is the decoy . . . and who is the prey?