At precisely 7:30pm on September the 23rd, Hazel Lewis and Nick Webber witness the crash landing of a 747 in downtown Seattle. The city falls into an uneasy silence. When their parents fail to come home that night, Hazel and Nick break curfew, leaving Anvac, a small community where they have been forced to live since refusing a government-issued vaccination. Embarking on a cross-country adventure where people are left to survive any way they...