Ryland Grace wakes up on board a spaceship. He has no idea how he ended up here. The only thing he knows for sure is that he was sleeping, and now he has woken up and is accompanied by a couple of dead people. Memories come in fragmentary pictures…

Having finally reconstructed the series of events that happened, Ryland is horrified by the enormity of the task entrusted to him – to prevent the extinction of the human race. This extremely difficult mission is a one-way ticket, and he will never return to Earth. And it seems there is nowhere to wait for help…