When a disease reaches Bath, 13 year old Mark fights to save his mum and Gramps from the terrifying monsters filling the city. But food is running out and electricity is dead. When three teenagers seek refuge in their house, Mark realises it's not just the monsters he has to fear. Can Nile and Sean be trusted, and how long will it be before the monsters find a way inside? Time is slipping away and it's not long before the group are forced to take to the monster-filled streets. Not long before they become prisoners to a nasty group of humans. Not long before one of them is bitten and becomes the very thing they are trying to escape...