"The Deep End" is a 2001 thriller film directed by Scott McGehee and David Siegel. The story follows a mother named Rebecca who discovers her son is involved with a dangerous man. To protect her family, she becomes entangled in a web of deceit and crime, leading to unexpected consequences. The film stars Tilda Swinton as Rebecca and explores themes of motherhood, morality, and desperation. It is based on the 1943 novel "The Blank Wall" by Elizabeth Sanxay Holding. The movie received positive reviews for its suspenseful narrative and strong performances, particularly by Swinton.