Jules Larsen's new job as an apartment sitter in one of Manhattan's most luxurious and enigmatic buildings comes with simple rules: no visitors, no nights away, and don't disturb the elite residents. Heartbroken and financially down, Jules is mesmerized by the splendor of her surrounds at the Bartholomew and eager to forget her past. Drawn to fellow sitter Ingrid, she discounts Ingrid's fears about the building's dark secrets as mere superstitions, but Ingrid's sudden disappearance launches Jules into a frantic investigation. Unraveling the trail of missing sitters, Jules must uncover the Bartholomew's hidden past to save herself from an unseen threat lurking within its opulent walls.