Dr. Janet Furie comes to believe that her husband and fellow scientist were set up to die in a lab accident. She blames another scientist, not only for the murder but also for taking credit for her husband's groundbreaking work. When she can't prove her husband was murdered, she spins a web of intrigue and deceit that results in the suspected scientist being framed for another murder that never actually happened.

A murder witness can't convince the police that the killer lives in the apartment across the courtyard from him, and he realizes he is the sniper's next victim.

After he's continually harrassed and bullied by his town's citizens, the orphaned teenage son of a notorious gunslinger takes flight and joins a gang of youthful outlaws.

Fleeing to Dodge City after killing a man in self defence Masterson finds his brother Ed (Harry Lauter) running for sheriff of the town. When Ed is killed by hired guns of the corrupt incumbent Bat is determined to settle the score with violence but he is convinced by the townspeople that the best way to avenge his brother's death is by taking Ed's place on the ballot. Bat agrees and wins the election but his new role on the right side of the law will lead him to unexpected confrontations as he finds himself torn between his loyalties to his friends and his duties as sheriff.