What has happened at Mars Landing, Earth's first permanent base on the red planet, and what is happening now, in the year 2288? The unexplained disappearance of two colonists sixty years ago suddenly proves relevant today, as journalist Taylor Lawrence discovers in his assignment to reveal the colony's past secrets and present dangers. The puzzle is one he must unravel if he and astronaut Margie Winters are to survive, and ultimately escape, Mars Landing's deadly mystery.