Wagon train scout Cooper Smith was once shot in the back by retired Marshal Bob Stuart. Cooper must now escort Stuart and his wife Janice to the train. Thomas Lance and his younger brother Keith are also on the train. They, too, seek revenge for a brain injury inflicted by Stuart.

John Gillman being chased and shot in the leg by a posse escapes via a river. He is found downriver nearly passes out by a young orphan girl Abigail. She takes a liking to him but he tries to rebuff her. However, events cause a change.