"Inception" is a science fiction action film released in 2010, directed and written by Christopher Nolan. The film features an ensemble cast, including Leonardo DiCaprio, Ellen Page, Joseph Gordon-Levitt, Marion Cotillard, and Tom Hardy, among others.

The story revolves around Dom Cobb, played by Leonardo DiCaprio, a skilled thief who specializes in a dangerous form of corporate espionage: infiltrating the subconscious of his targets to steal their secrets. Cobb uses a device called the "dream machine" or "dream-sharing technology," which allows him and his team to enter and manipulate the dreams of others.

Cobb is given a chance at redemption and a chance to reunite with his family by performing an "inception," which is the act of planting an idea into someone's mind instead of stealing one. The task is considered nearly impossible, but if Cobb succeeds, he will be able to return to the United States and see his children again.

The film takes the viewers on a mind-bending journey through multiple layers of dreams within dreams. Each layer poses new challenges and risks, and the team must navigate through complex dreamscapes while evading projections of the dreamer's subconscious, which can turn hostile.

As the story unfolds, the line between reality and dreams becomes increasingly blurred, and the film explores themes of guilt, memory, and the subjective nature of reality.

"Inception" was critically acclaimed for its unique and intricate plot, stunning visual effects, and thought-provoking themes. It was a commercial success and received numerous accolades, including four Academy Awards for Best Cinematography, Best Sound Editing, Best Sound Mixing, and Best Visual Effects. The film has since become a cult classic and remains highly regarded by both audiences and critics alike.