In 1870 Texas, a gang of gun smugglers supplies arms, ammunition and whiskey to Indians. Undercover government agent Martin Benson helps the army eliminate such smugglers. However, the army still needs to know the identity of the man in charge of the gang and the location of their latest hideout. Martin Benson wants to retire but the army asks him to find the head of the smugglers. The army arguments that Benson is the best agent for the job even if another undercover agent, Tony Guy, has already penetrated the smugglers’ outfit. A huge payment in gold coins is also offered to Benson as an enticement. Benson agrees to this last assignment and heads out of the army fort. On the trail, many gunrunners and bandits try to ambush him and have him killed. In the nearest town, at the Benson farm, a group of smugglers raid and ransack the farm and kill Martin Benson’s parents. They also rape his sister, Jenny. Now Benson must hunt down the vicious outlaw gang, who killed his parents, brother and sisters. Starring Guy Madison, Lucienne Bridou, and Rik Battaglia. Guy Madison, famous as the star of the television series Adventures of Wild Bill Hickok (1951) fathered actor Robert Madison with an Italian actress in 1967 during the making of this film, 3 years after his 2nd marriage had ended.
