Plains of Utopia: Colony Six Mars

Xenon Hybrid, the Red Planet's ceremonial head-of-state, has not been seen for many years after withdrawing to an isolated enclave in the far north where he steadily built up a following of citizens seeking out an alternative lifestyle. They bother no one, and no one bothers them.

But when an Earth-bound ship explodes on the launchpad in Jezero City, and the DNA from two bodies recovered at the site are found to be an exact match, Dr. Jann Malbec is convinced that they are the product of a c...