Dr. Herbert Lee (John Paul Jones), an archaeologist seeking to decipher ancient Mara inscriptions, is aided by his son, Terry (William Tracy), and Terry's pal, Pat Ryan (Jeff York), and Normandie Drake (Joyce Bryant). Fang (Dick Curtis), a jungle pirate and warlord,plots to kill The Dragon Lady (Sheila Darcy), Queen of the Temple of Mara, and seize the treasures of her ancestors. Both Fang and The Dragon Lady have sworn death for any foreign intruders.
White Eagle was raised by Indians after his father, a US army officer, was killed in an Indian raid. He believes that the Indians and the white settlers can live together and works towards that goal, but a gang leader who has his own reasons for not wanting peace between the two groups sets out to stir up as much trouble between them as he can.
Homesteaders are moving into the valley settled many years ago by rancher Craig Dolan. He wants to keep them out by legal means but his nephew Bart brings in outlaws to drive them out. The Lone Ranger is on hand to help the homesteaders battle Bart's men as he overcomes traps, ambushes, burning buildings and other obstacles in his attempt to bring peace to the valley.
Highlights the personal and professional lives of a group of doctors and surgeons headed by Dr. Konrad Styner. One of the first medical shows on TV that paid strict attention to detail, and heralded at the time for its sometimes unflinching look at the operations and medical procedures performed by doctors.