King of California

King of California is a 2007 American comedydrama film written and directed by Mike Cahill. It is his debut as a screenwriter and director. The film premiered on January 24, 2007 at the 2007 Sundance Film Festival and opened in limited release in North America on September 14, 2007. The film stars Michael Douglas as a mentally ill man who believes he has discovered buried treasure and Evan Rachel Wood as his weary daughter.

When Charlie is released and sent back to their home, Miranda finds the relatively peaceful existence shes built for herself completely disrupted. Charlie has become obsessed with the notion that the longlost treasure of Spanish explorer Father Juan Florismarte Torres is buried somewhere near their suburban California house in the Santa Clarita Valley. Armed with a metal detector and a stack of treasurehunting books, Charlie soon finds reason to believe that the gold resides underneath the local Costco, and encourages Miranda to get a job there so that they can plan a way to excavate after hours.Initially skeptical, Miranda soon finds herself joining in Charlies questionable antics in an effort to give him one last shot at accomplishing his dreams. ........

Source: Wikipedia