A rare medieval device is used in a murder, prompting Red to warn the task force that a lethal vigilante group from the Middle Ages is now in operation. Meanwhile, Liz receives startling news and cautiously plans her next move.
First the Cabal, Then Shell Island, now according to Red the FBI task force must deal with the The Vehm, a deadly vigilante group from the Middle Ages who is back in action. And Liz must carefully plan her next steps after the new surprise.—Maicon Bacon