Synopsis: A missing spacecraft – A cryptic message – And a fearsome secret hiding in plain sight. Five years after he was marooned in Earth orbit, Ryan Hunter must go even farther to find the man who saved his life. With former astronaut Penny Stratton, he leads an unconventional rescue team into a threat beyond anything he could have imagined. What they can't know is that the fate of millions rests on their shoulders. Because something big is coming...