Melbourne housewife Sophie becomes increasingly suspicious of her husband's beautiful female colleague Mara. She is convinced the woman is a danger to her marriage and family, but the increasingly nerve-racked Sophie finds no one will believe her. Doubting her own sanity, she takes dramatic action and puts her life in peril. Thriller, starring Susan Sarandon, Sam Neill and Emily Blunt.

A wife and mother is consumed by the thought that her husband's co-worker is trying to win him away from her and their family.