To Kill a Mockingbird is a classic courtroom drama based on Harper Lee's Pulitzer Prize-winning novel. Set in the 1930s, the film follows Atticus Finch, a lawyer who defends a black man falsely accused of raping a white woman in a racially divided town. The movie explores themes of racial injustice, morality, and the loss of innocence. Gregory Peck's portrayal of Atticus Finch earned him an Academy Award for Best Actor.