After escaping from an Estonian psychiatric facility, Leena Klammer travels to America by impersonating Esther, the missing daughter of a wealthy family. But when her mask starts to slip, she is put against a mother who will protect her family from the murderous “child” at any cost.
An American nanny is shocked that her new English family’s boy is actually a life-sized doll. After she violates a list of strict rules, disturbing events make her believe that the doll is really alive.