Sterling Rossi thinks he's just made history as the world's first chrononaut. But if he's the first to travel back through time, who is the attractive blond he sees during his jaunt, and why is his team so keen to deny his existence? Sterling soon realizes there are more forces at work than he ever imagined and wonders just what's really happening, and who he can trust. As the truth unravels, Sterling has to go back in time to save his lover, while a creature from the fabric of time threatens to destroy the world.