Pierce Butler, a former Marine and long-retired marijuana smuggler, whose wife is suffering from a rare type of cancer, must return to his drug-running ways and make one Final Load in order to save his house, his company, and his wife.
When an alien hunter arrives on post-apocalypse Earth, it takes down a gang of warlords and unexpectedly becomes a folk hero to the oppressed locals. Now with their support, the alien sets its sights on the warlords' ruthless leader.