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The Lost Daughter is a black comedy-drama film written and directed by Maggie Gyllenhaal. It is based on the 2006 novel of the same name by Elena Ferrante. The film stars Olivia Colman as a woman who takes a vacation to Greece and becomes obsessed with a young mother and her daughter. Colman's performance in the film earned her a nomination for the Academy Award for Best Actress in 2021.