Thousands of years ago, four warlocks with different talents appeared on this continent, carrying three-foot swords, killing demons and driving them into desolate and remote places.
Create four families that make a living by exterminating demons - Meilan, Bamboo and Ju
Thousands of years later, the descendants of the four major families have gradually grown up. Among them, Lan Ruo, a descendant of the Lan family, foresees all kinds of unusual things after entering the campus: the purple wood demon who sacrificed his life for love, the ancient demon beast that once caused a bloody storm because of love, the elder of the demon world who goes crazy all day long... Demons also have human emotions and six desires, why must they be eliminated?
On the surface, the four major families are calm, but secretly they are turbulent, stumbling upon each other, stabbing each other, and killing each other.