Thanks to the support of Howzer, the General of the Sacred Knights, the frenzy of the ancient dragon could be stopped. The whole troupe is in full shape and is about to cross the main obstacle: a high chain of mountains. On the way, they fall on a suspicious village that emits a strong magic energy! Percival and Donnie rush there with all the carelessness that characterizes them, followed by Sin who is worried about this strange aura. An and Nascians, on the other hand, decide to stay outside... In this village that should not have existed, they will be confronted with a cruel situation... One of the Seven Deadly Sins will even be back to fight against King Arthur's ambition!