In one week, the virus destroyed the world. And that was just the start.

Three survivors made it through with just each other to rely on, but now they are scattered across the globe. Leon is in England, Grace is on the way to New Zealand, and Freya to the "New United States".

Until now, they and some others were lucky enough to stay alive. But, when the deadliest and most sinister attack is yet to come, what hope does humanity have to survive?