When his family is killed by Indians, a bitter cowboy turns into a ruthless hired gunman. Unbeknownst to him, his son had survived the attack, and is now a lawman. The son, not knowing that the killer is his father, is assigned to bring him to justice.

In his starring debut, Roy gets elected to Congress in order to bring water to the ranchers in his district. In Washington, he learns he needs the backing of a key congressman and gets that man to go west for an inspection trip. When the congressman is initially unimpressed, Roy gets the inspection party stranded without water to show the true conditions.