When their babysitter bails at the last minute, new parents Anne and Marco Conti decide they can still attend a dinner party at their next-door neighbor's house. Despite checking on baby Cora every half hour, when they return home, she is gone. Suspicion immediately falls on the panicked couple because they are both hiding secrets. A must-read psychological thriller, The Couple Next Door instantly pulled me in and didn't let me go. I thought the tension and timing of the revelations worked well, and I loved all the twists despite the fact that I guessed the ending.