A secret agent works with a scientist to recover documents outlining a new formula to make fuel.

Caterina finds out that her husband Peter Tzar of Russia, is plotting to kill her. She sets Count Orlov free from prison, Peter's sworn enemy, becomes empress of Russia and leads the Cossacks army against him.

Jim Latimore's ranch is a thorn in the side of the ruthless Gonzales brothers and his marriage to their cousin Rosaria rankles even more. Bandit chief El Matanza is hired to rid them of Latimore and his baby son is taken to be raised as a Gonzales. Three years later five of Latimore's friends arrive to reclaim the boy, replace Rosaria in her home and avenge their murdered compadre.

Redhead Mary is a girl who dresses like a man to better approach, and rob the jewels worn by the pretty ladies of her time.

During the last months of the Civil War, Joe's brother is killed unjustly by Clifford, a captain in the Northen army. Joe decides to join a group of Southerners determined to resist till the end. Joe is considered an outlaw and a reward is posted for his capture. When the war ends, Joe returns to the farm where he used to work only to find Christine, the owner's daughter and his sweetheart, engaged to the hated Captain Clifford.