"Friendship takes a dark turn in this sexy, seductive thriller." --People Two couples. One dark, twisted game of love and obsession. Suspend your disbelief on this roller-coaster ride of a domestic thriller about the dangerous secrets that come to light when a wild fantasy turns sinister. . . Young couple Elena and Adam are housesitting in a posh corner of London and are instantly seduced by their new upscale surroundings. Here, Elena meets her neighbor, the enigmatic artist Sophia, and soon becomes obsessed with her beauty, her easy poise, and her husband, Finn. Sophia is everything Elena isn't--glamorous, alluring, successful--and Finn exerts a mysterious pull on Elena that she can't seem to shake. Elena's infatuation with Finn grows stronger by the day, and when Sophia proposes a thrilling game to her new friend--to swap partners in secret--Elena quickly agrees. It's not long before Elena experiences a sexual awakening that blossoms into an illicit love affair, but Sophia's plans are far more dangerous than Elena could ever have imagined... Will the two couples survive the consequences of their disturbing manipulations and salacious deceptions?