Aliens have landed and are hiding on Earth, but need Earth’s scientists to help them fight an inter-planetary war.

Three years after the end of the Apache wars, peacemaking chief Cochise dies. His elder son Taza shares his ideas, but brother Naiche yearns for war…and for Taza’s betrothed, Oona….

During World War II, David Simms pilots supplies between India and China over the Himalaya Mountains.