Cobb (Lenonardo DiCaprio) specializes in security of the mind, teaching those with powerful secrets how to prevent others from entering their minds through their dreams and stealing their secrets. However, after an experiment in the dream world he enters goes horribly wrong, he is accused of murder and must flee the United States leaving his children behind. A client, Saito (Ken Watanabe) promises him a way back home if he can plant an idea in the mind of a competitor, called inception. Cobb’s partner Arthur (Joseph Gordon-Levitt) is hesitant to participate, believing it an impossible task, but agrees. Cobb also recruits Ariadne (Ellen Page) a student of his grandfather’s who shows great promise as an “Architect” in the dream world. Two others - Yusef (Dileep Rao) and Eames (Tom Hardy) - join the team and from the looks of it there is no turning back.