Nine and a Half Weeks: A Memoir of a Love Affair is a 1978 memoir by Ingeborg Day, first published under the pen name Elizabeth McNeill. It recounts a brief, sexually violent relationship between an art-gallery owner and a Wall Street broker—material Day framed as drawn from her own life. The book later became famous as the source for the 1986 erotic drama 9½ Weeks starring Kim Basinger and Mickey Rourke. For readers who track BDSM-adjacent literature, the memoir matters less as a consent-culture handbook than as a raw, occluded account of eroticized control that ends in collapse rather than aftercare.
Synopsis: Nine Weeks in New York
Set in New York City, the narrative follows a gallery owner who falls into a nine-week affair with a broker who repeatedly sexually abuses her in his apartment for his amusement and pleasure. Early on she cannot—or does not—say no, and finds complicity mixed with enjoyment. The relationship escalates: he orders her to rob a man at knifepoint in an elevator; she complies; he then forces her to have sex with someone else while he watches. He leaves her bound for hours in painful positions inside his luxurious apartment. She eventually sees the choice as her life and sanity versus a man who has manipulated her into attachment. The memoir ends with her nervous breakdown when he leaves her at a mental hospital. After months of therapy she is released and never sees him again.
Reception and Place in Erotic Literature
Publication caused scandal. In a 2012 New Yorker piece, Sarah Weinman called the book “a potent antidote to what passes for erotica today”: instead of over-the-top fantasy, McNeill’s memoir (presented as memoir) is charged by what it shows and what it withholds. Readers get only her perspective, further veiled by pseudonym. Day conceived the project as an “erotic epic poem”—long narrative recounting of sexual deeds closer to epic structure than to tidy genre romance. That framing gives the book a unique slot: not a celebration of negotiated SM so much as a literary document of violent power exchange, coercion, and aftermath.
Adult readers comparing book and film often note that the memoir is colder and more pathological than Hollywood’s stylish food-and-sex fantasy. On a BDSM site it sits as historical erotic nonfiction—and as a cautionary twin to fantasy novels that stage total power without the hospital ending. The film made the title a pop-culture shorthand; the book remains the darker primary text.











