William Munny is a retired, once-ruthless killer turned gentle widower and hog farmer. To help support his two motherless children, he accepts one last bounty-hunter mission to find the men who brutalized a prostitute. Joined by his former partner and a cocky greenhorn, he takes on a corrupt sheriff.

A group of hobos begin melting into multicolored piles of goo after drinking sixty-year-old liquor. At the same time, the psychotic Vietnam War vet who rules the hobo camp snaps and begins killing at random. Two brothers set out to stop the liquor and the killer.

A hard-nosed, hard-living Marine gunnery sergeant clashes with his superiors and his ex-wife as he takes command of a spoiled recon platoon with a bad attitude.