According to Variety, Warner Bros Pictures has bought "Kite," a dramatic movie pitched to the studio by Michael Lander and Ryan Roy. Leonardo DiCaprio is attached to produce the film and may take a starring role.

The movie will be set in the world of the California prison system with the central character caught up in the violence and corruption of the system.

DiCaprio has just completed work on "The Departed" with director Martin Scorsese and is currently filming "The Blood Diamond." The actor's also keeping busy as a producer.

DiCaprio has "The Chancellor Manuscript," "In Dark Woods," and "Cat's Cradle" in the works.

Source: Variety