Captain Jack Carter of Virginia finds himself on Mars, a planet populated by two races of warlike Martians. War, brutality and torture are a way of life for the Martian people but coupled with that is a society built on justice, honor, strength and loyalty. An amazingly detailed account of 10 years Jack spends on Mars, having to prove his courage time and time again in order to rise in the ranks of Martian society. He learns the language and customs of his hosts but introduces them to some purely human concepts; one of those being cooperation. In the end it is the human ability to work together that brings peace to the planet.