The Wife Upstairs Book by Freida McFadden

The Wife Upstairs by Rachel Hawkins is a modern, domestic noir retelling of Charlotte Brontë's Jane Eyre. The story follows Jane, a dog walker in the wealthy Thornfield Estates, who falls for the mysterious, recently widowed Eddie Rochester. As their relationship develops, Jane becomes obsessed with the legend of his beautiful, ambitious wife Bea, who disappeared after a boating accident. Jane tries to fit into the affluent community and win Eddie's love, but is haunted by Bea and the secrets surrounding her fate, leading to a suspenseful confrontation.