A cowboy is hired by an archaeologist to help find "Hidden Valley", where an Indian gold treasure is supposed to be buried. Just when he finds it, the archaeologist is killed, and the cowboy his charged with his murder.
Bob Harding and Professor Woolridge have a map that will lead them to the riches of Hidden Valley. When the Professor is murdered, Bob is convicted. The real killer Gavin gives the map to Jimmy Landers who heads for the valley. Everyone follows him. Gavin and his men, Bob who has escaped, and Jimmy's sister in a blimp. They find the valley but also find a fierce band of Indians.—Maurice VanAuken <mvanauken@a1access.net>