Irene and Joe face their most curious case yet when a woman asks them to investigate the wealthy family she began working as a housekeeper for a few months prior. Locked doors and secret rooms permeate the household and the further Irene and Joe probe into the family's life, the deeper the secrets become. They play a dangerous game of undercover to see just what mysteries lay beneath the floorboards of this dark household, but what they discover is more than either of them bargained for.