As a young girl, Alison Parker attempted suicide after being traumatized by her father's sexual exploits. Now an elite fashion model, she moves to a Brooklyn Heights apartment building that houses a number of bizarre, eccentric tenants. After experiencing a string of disturbing occurrences, she attempts to uncover the building's sinister secret.

Emily Boynton, the stepmother to three children, blackmails the family lawyer into destroying a second will of her late husband that would have freed the children from her dominating influence. She takes herself, the children, and her daughter-in-law on holiday to Europe and the Holy Land. At a dig, Emily is found dead and Hercule Poirot investigates.