Scarlett Johansson will unleash the power - and might - of the human mind when The Fifth Element and The Professional director Luc Besson's Lucy opens in theaters on July 25. Johansson plays the titular character in the film, which follows a young woman's journey from unwilling drug mule to near omnipotent super-human who has - via a freak accident involving said drugs - been granted full access to her mind's capacity. Using the notion that humans only access 10% of their cognitive abilities as its premise, Lucy explores what would happen if a person were able to reach 100%.