In the space of a few hours, Harley Sawyer's world is turned upside down. Ripped from everything she knows, her and the majority of the UK are forced to fight for their lives when a mystery virus kills thousands upon thousands of people. With no cure and more people becoming infected by the minute, the world begins to face a pandemic like it has never seen before, with no means to stop it any time soon.

"Dude, what happened last night?" Only two people know - Chris, and the voice inside his head. Who will be the first to tell?