Frank and Joe go undercover as the Living Dead to infiltrate a "Zombie Crawl" that has acquired a notorious reputation -- a teenager in Zombie makeup appears to "accidentally" die in the last Zombie Crawl through Bayport. Will the Undercover Brothers and Agents of A.T.A.C. discover what's really going on in Zombieland or become the next accidental victims?  As if that weren't enough-- there's something dark and sinister happening while everyone's distracted by zombie madness! Could this possibly be linked to the eerie events also occurring in River Heights, home of Nancy Drew? This story sets up one of the most unexpected events in Hardy Boys history – but that’s the shocking story that awaits in THE HARDY BOYS: THE NEW CASE FILES Graphic Novel #2!