It's Day 7 in the quarantined mall. The riot is over and the senator trapped inside is determined to end the chaos. Even with new rules, assigned jobs, and heightened security, she still needs to get the teen population under control. So she enlists Marco's help--allowing him to keep his stolen universal card key in exchange for spying on the very football players who are protecting him.

But someone is working against the new systems, targeting the teens, and putting the entire mall in even more danger. Lexi, Marco, Ryan, and Shay believe their new alliances are sound.

They are wrong. Who can be trusted? And who will be left to trust?

The virus was just the beginning.