When Comanches go on the warpath, settlers take refuge in Ft. Eagle Rock commanded by Capt. Jackson. Undercover agent Cliff McPherson arrives at the undermanned fort to lend advice and support. He learns that the Comanches have been stirred up by local rancher Morton who wants to take control of the oil under the Indians' reservation.
When Comanches go on the warpath, settlers take refuge in Ft. Eagle Rock commanded by Capt. Jackson. Undercover agent Cliff McPherson arrives at the undermanned fort to lend advice and support. He learns that the Comanches have been stirred up by local rancher Morton who wants to take control of the oil under the Indians' reservation.