"Inception" is a 2010 science fiction heist thriller directed by Christopher Nolan. The film stars Leonardo DiCaprio as Dom Cobb, a skilled thief who specializes in extracting secrets from within the subconscious during the dream state. He is offered a chance to have his criminal history erased if he can successfully perform an "inception": planting an idea into someone's mind. The film is renowned for its complex narrative structure, visual effects, and exploration of dreams and reality.