Gary, and his pals who’re into gaming, renaissance festivals and varied unsavory vices, stumble throughout a uncommon, medieval board recreation referred to as “13 Demons.” They uncover the sport has a darkish historical past and was banned from most nations way back for unusual and mysterious causes together with unexplained deaths attributed to the sport. The item is to free the Realm of Darkhaven from the 13 Demons of the Apocalypse. They chalk it as much as city legend and resolve to play, what they do not know is that the 13 Demons presently stroll the Earth disguised as people. Slowly, the sport consumes them, seducing them into believing they’re “The Golden Paladins,” and are on a holy mission to save lots of the world. However when the information reveals plenty of native deaths attributable to tree branches, baseball bats, hammers, and so forth. from assailants adorned in physique armor, the skinny line between actuality and fantasy is shattered and the horrific realization that they’re in manner over their heads units in.