Former FBI agent Ryan Hardy is brought on board as a consultant when the serial killer he arrested many years before, Joe Carroll, escapes from prison killing several guards in the process. Although Hardy caught him, he paid a heavy price. He was stabbed in the heart and lives courtesy of a pacemaker. He's also on a disability pension. Carroll was an English professor with a fondness for the works of Edgar Allen Poe. Now that he's out, Hardy is certain he will go after Sarah Fuller, his last victim who managed to survive the attack. He's correct but they realize too late that Carroll spent much of his time in prison on the Internet and now has a group of devoted followers who will do as he asks.