Now imagine that’s the best thing to happen to you all week …When Charlie sees a man who is the spitting image of her husband Oliver on a dating app, her heart stops. Her first desperate instinct is to tell herself she must be mistaken – after all, she only caught a glimpse from a distance as her friends were laughingly swiping through the men on offer. But no matter how much she tries to push her fears aside, she can’t because she took that photo. On their honeymoon. She just can’t let it go.Suddenly other signs of betrayal begin to add up and so Charlie does the only thing she can think of to defend her position – she signs up to the app to catch Oliver in the act.But Charlie soon discovers that infidelity is the least of her problems. Nothing is as it seems and nobody is who she thinks they are ...

    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. . .

    Could she have killed him?As she tries to piece together what happened last night, Ivy’s own past returns to haunt her. And secrets can’t stay hidden forever…