Teens Shay, Marco, Lexi, and Ryan, quarantined in a shopping mall when a biological bomb igoes off in an air duct, learn that in an emergency people change, and not always for the better, as many become sick and supplies run low.

"With the power cut and the quarantined mall thrown into darkness, teens Shay, Marco, Lexi, Ryan, and Ginger must change in order to survive, and, when the doors finally open, they may not like what they've become"--Provided by publisher.