the perfect couple by elen hilderbrand is a murder mystery set on Nantucket Island it follows the wedding of wealthy couple Celeste Otis and Benji windberry which takes a dark turn when the maid of honor Meritt is found dead just hours before the ceremony the investigation led by Chief Ed konach reveals hidden secrets about the wedding party and their families as the investigation deepens Celeste is forced to confront the truth about her relationship and everyone at the the wedding becomes a suspect themes of Love betrayal and family Dynamics intertwine as the mystery unfolds