A Closed Book (2012)

Jane seems to embody the perfect assistant—charming, smart, and unfazed by the quirks of her employer, Sir Paul. However, as time goes on, a hidden motive reveals itself. Subtle changes begin to transform Sir Paul's familiar environment; his trusted housekeeper is sidelined, odd occurrences plague the household, and he finds himself increasingly reliant on Jane. The tension escalates as her true intentions unfold, drawing the viewer into a gripping psychological game where trust and manipulation intertwine.