Ellie is fourteen, and has a secret crush on a sixteen-year-old boy at school. And then there's Simon, her little brother, who wants to make her life miserable by revealing her secret to everyone because she tattled on him again. But before the secret can get out, Ellie is hit by a car, and falls into a coma. Thrown into a corner of her subconscious mind, with no memory of who she was or where she came from, she struggles to find her way back. Will Ellie wake up from her coma, or will she stay locked inside her own mind forever?

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.