As humanity faces extinction on the desolate surface of Mars, a genetically enhanced soldier named Lara Henries discovers ancient doorways through time and space. She travels two hundred years into the past, to a time before a massive war ended life on Earth, in search of a way to save the future. In that time, Kyle Matthews is an astronaut traveling to the frozen surface of a distant moon in search of his lost wife, but what he finds there has the potential to change everything.