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 through their dreams. Inception explores the concept of shared dreaming and blurs the lines between reality and illusion. The film received widespread critical acclaim for its complex narrative, stunning visual effects, and thought-provoking themes. Leonardo DiCaprio's performance as Dom Cobb, the protagonist, was praised for its emotional depth and complexity. Inception became a commercial success and won four Academy Awards.