The protagonist of the detective series "The Perfect Couple" is a young and attractive woman named Celesta Otis, who is preparing for her long-awaited wedding. Her fiancé is not only the perfect man, but also the heir to the richest and most respected family on Nantucket Island. Expensive dress, thousands of guests, and the hashtag #weddingoftheyear - this is now the life of the former modest Celesta. However, the day of celebration is overshadowed by a horrifying discovery: a murdered body floating in the harbor. Now, everyone present at the wedding, including Celesta herself, becomes a suspect.