Our city. Our secret. Our rules.         Alone. On the run. Ollie Turner has nowhere to hide. But he gets a second chance. Underneath the city there’s a secret organisation, far from adult eyes. It’s called The Haven.         Soon Ollie is caught up in their battle: to stop Maddy Sikes destroying the city. Time is running out for Ollie and his new friends, and millions of lives are at stake…