"The Deep End" is a 2003 film directed by Scott McGehee and David Siegel. It stars Tilda Swinton as a mother named Margaret who becomes entangled in a web of deception and danger after discovering her son’s secret. The film explores themes of motherhood, morality, and the lengths one will go to protect their family. Set in Lake Tahoe, the story unfolds as Margaret tries to cover up a crime involving her son, leading her to confront a mysterious man played by Goran Višnjić. The film is a tense psychological thriller that examines the complexities of human relationships and the consequences of choices made in desperation.