As the Cranes gather to say their final goodbyes, a flashback reveals Mr. Dudley's connection to the house -- and exposes a secret in the walls.

Cast: Elizabeth Becka, Mckenna Grace, Carla Gugino, Julian Hilliard, Michiel Huisman, Timothy Hutton, Oliver Jackson-Cohen, Robert Longstreet, Violet McGraw, Victoria Pedretti, Elizabeth Reaser, Melinda Russell, Kate Siegel, Paxton Singleton, Samantha Sloyan