The Secret of the Silver Star — Amos Carr

Outlaw Vince Lange hides a deadly secret: he is really Deputy Marshal Charlie Dane, working undercover to bring down the Carlin gang. When a heavy snowstorm traps the bandits in their hideout, life becomes even more difficult for Dane when Frank Carlin sends him and another outlaw to fetch supplies - but only Dane returns, leaving three bodies and a burned-out ranch behind. Deciding to split the gang and head for the nearest town, Carlin gives Dane a terrible task to complete...