<human>:  Explain the plot of the movie "Inception"
<bot>: Inception is a science fiction heist film based on a concept of 'Extraction' - stealing ideas from people's dreams. The main character, Dom Cobb, is a skilled thief who steals ideas embedded deep in the subconscious of his targets. He is offered the chance of regaining his old life, but at a cost: undertaking a seemingly impossible mission that requires him to plant an idea in the mind of a CEO of a large corporation. In order to succeed, Cobb assembles a team with the help of a forger, an architect, and a chemist to create the dream world in which they can manipulate the target. In the dream world, they must infiltrate several levels of their target’s subconscious, fighting off his memories and protecting themselves from his inner demons as they build the perfect environment to plant the idea. After a thrilling course of events, the team succeeds in its mission and undertakes a daring escape from the dream world. In the end, Cobb finds that he is able to move on from his past and enjoy his life again.