In a violent post-apocalyptic society, a drifter, Eli (Denzel Washington), has been wandering westward across North America for the last thirty years. He finds solace in a unique book which he carries on his person and guards closely, while surviving by hunting small animals and seeking goods in destroyed houses and vehicles to trade in villages for water and supplies. When he reaches a village ruled by the powerful mobster, Carnegie (Gary Oldman), the man views Eli's impressive fighting skills...