Haunted by the ghosts of the past, lone traveler Ronin wanders the postapocalyptic wastelands in search of his father killer. Over the years, he has been creating a map of the lawless world inhabited by tough survivors. Everywhere he goes, he encounters blood-thirsty head hunters and rogue gangs. One day Ronin meets a wayward teenage girl Maria who offers him a precious bounty for escorting her to her birthplace.