Two men claiming to be scientists arrive in Arizona looking for Blair, a fellow scientist who disappeared while developing a death ray. The men hire Jim Wilson, who finds Blair living with his daughter on a ranch in an inaccessible valley near the Grand Canyon, where the scientist is testing his ray on birds and wild animals.
| Directing | Tom Gibson | Director |
| Writing | Barr Cross | Story |
| Writing | George C. Hull | Scenario Writer |