Crazy Like a Fox (2004)

This is the story of Nat Banks, an 8th generation Virginian gentleman farmer living in the past, who loses his family farm, Greenwood, to a pair of land speculators from Washington, D.C. When the predatory couple manipulates a "legal" real estate transaction that turns into a hostile possession of the manor house, he temporarily loses his mind, leaving his family but not the farm. Instead he hides out in a cave on Goose Creek, waging guerilla warfare against expansionism and the destruction of historic property with the help of his family, friends, and neighbors...