A cowboy realizes too late that his girlfriend's father had been cheated out of everything in a crooked card game. He sets out to get revenge on the crooks.

When the Ranger Sergeant returns murdered with a note that LaFarge did it, Trooper Burke sets out to after LaFarge. Working undercover, he saves LaFarge's life and this gets him into LaFarge's gang. He then arrests LaFarge and brings him in only to learn that LaFarge is not only innocent but is now a prisoner of the real killer.

Doan is trying to get control of the valley by having his night riders drive the ranchers out. Jack Benson hires on at the Williams ranch, the one ranch Doan must have. When Benson learns that Doan is the boss of the night riders, he joins up with him. He has a plan that both saves Williams' ranch and also brings Doan to justice.

When Bob Dillon finds gold, Reed kills him. Bob's brother Jim arrives to investigate his death. Avoiding the attempt on his life by Reed's gang, Jim confronts Reed's partner Jenkins. When Jenkins flees on Jim's horse, Reed mistakenly shoots his partner. Unable to get Jim with bullets, Reed blames the murder on him and when the Sheriff jails Jim it looks like he will soon be be hung.