Police detective Toyama goes undercover as a fifth-grade teacher to a rowdy class in order to discover the truth about the previous female teacher who apparently jumped off the roof of her condo. The students are keen at first to lay the blame on their strange classmate, Makoto. But Makoto has the gift/curse to see people's inner demons, which are often expressed through horrible images. When these hallucinations melt away or disappear, the problem is solved. Will Makoto have a vision about his former teacher, or will Toyama have to solve this case on his own.