At 17, Ryan has his sights on the future. He's leaving home for university, he's stepping out on his own for the first time. But when a strange new flu sweeps across the world and ships begin to descend from the skies, Ryan's life is changed forever. With society collapsing and his home becoming more dangerous by the day, Ryan must grow up fast if he is to protect what friends and family he has left. But first, they must escape the city they called home.