"Lady Vengeance" (2005) is the third film in Park Chan-wook's Vengeance Trilogy, following "Sympathy for Mr. Vengeance" and "Oldboy." A South Korean neo-noir thriller, it centers on Lee Geum-ja, a woman who serves 13 years in prison for a child’s murder she did not commit, and her carefully planned retribution after release. The film is noted for its rigorous visual composition, moral ambiguity, and exploration of guilt, memory, and redemption.