Will Mannon, "product of the Devil's loins," is released from a frontier prison and promptly goes in search of the people who put him there some 12 years ago -- Matt Dillon and Kitty Russell.

James Arness rides again as Matt Dillon, the US Marshal he made popular in the 1955-75 TV series. In this movie he goes after a renegade Apache named Wolf (Joe Lara) who has taken his daughter captive. As a bargaining chip, Dillon helps two sons of Apache chief Geronimo out of the fort stockade and offers them in trade. Dillon is aided by an Army scout, Chalk Brighton (Kiley).

Retired marshal Matt Dillon tracks Arizona rustlers and lands in the middle of the 1880s Pleasant Valley War.

Retired marshal Matt Dillon must clear his name after mistaken identity makes him wanted: dead or alive.

After his mother is killed in a wagoncoach robbery a young man pursues the gang responsible. Matt Dillon goes after him hoping to stop him before the gang can kill him. Dillon is joined by Davis Healy, a businessman, who is hiding a few secrets of his own.