Edited version of the 1942 Republic serial "Spy Smasher," cut down to one hour and sold for TV release in 1966 in a syndication package with other truncated Republic serials.
Two brothers, Ray and Pot, exercise their bank robbing talents. They rob and get robbed in rapid succession. After acquiring a new partner (Steve) and accumulating a good haul, Ray is killed for the gold and Steve is captured by Lobo, a Mexican bandit.
A noble family assigns their younger son to the convent. The youngster has an affair with a novice, who becomes pregnant. The brothers, exasperated by his arrogance, denounce him to the Inquisition. As a punishment, the boy is walled up alive and released after fifty years. Due to a mysterious miracle, however, he remained as he is, just like the novice he impaled.