The dangers and complexities of leading a double life are explored in this artistically innovative, erotic British drama. Ruth is unhappy with her suburban life as a school teacher and wife to her conservative husband. She is a complex woman given to elaborate sexual fantasies. She feels something is missing from her life. She becomes intrigued upon a chance meeting with Thomas, a gifted photographer, in a coffee shop, and she asks him to take sexy pictures of her. He agrees, but it is only later that Ruth discovers that Thomas, who is obsessed, has already been photographing her on the sly for the last two years. Appalled she slips into his studio to destroy the pictures and negatives. Now she fears his revenge as she tries to return to her mundane life. Eighteen months after her act, Thomas returns to exact his vengeance.