The Housemaid's Wedding by Freida McFadden is a psychological thriller novella that bridges the events between the second and third books in the Housemaid series. The story follows Millie Calloway as she prepares to marry Enzo Accardi, only to have her wedding overshadowed by anonymous threats from someone determined to stop the ceremony. Combining suspense, mystery, and fast-paced storytelling, the novella explores themes of trust, fear, survival, and the lingering consequences of the past.