Inception is a 2010 science fiction action film written and directed by Christopher Nolan. The film follows a professional thief, played by Leonardo DiCaprio, who steals information by infiltrating the subconscious of his targets. Inception explores the concept of shared dreaming and blurs the lines between reality and dreams. DiCaprio's portrayal of the complex character, Cobb, showcases his versatility as an actor. The film received critical acclaim for its mind-bending plot, stunning visual effects, and thought-provoking themes.