"Dog Day Afternoon" is a 1975 film directed by Sidney Lumet, based on a true story. The movie follows a man named Sonny Wortzik, played by Al Pacino, who attempts to rob a bank in Brooklyn to pay for his partner's gender confirmation surgery. The heist quickly goes awry, leading to a tense standoff with the police. As the situation escalates, the film explores themes of desperation, love, and societal issues. The hostage crisis attracts media attention, turning Sonny into an unlikely anti-hero. The film is notable for its realistic portrayal of events and strong performances, particularly by Pacino and John Cazale, who plays Sonny's partner, Sal.