A high school student named Evan is the only person who can see demons. He fights them when they don't stop trying to fight him. One day his friend named George knocked on his door with his hood covering most of his head. George reveals that he has horns and sharp teeth. The reason is that he was nearly eaten by a demon and woke up and realized that he had demon like features. They now fight demons together trying to figure out who's behind all the demons appearing in their world.