The poisonous spider lady is beautiful and elegant, but cruel. A young man asks for her, hoping she can give him her poisonous silk. He wishes to use the lace as a hair band for his stepmother's gift, as he hates his stepmother and wants to poison her. Can Mrs. Spider see it, is that true?! (Source: Buka, translated)

The story begins when Kanemaki, the lieutenant of a police's detective bureau, arrests the neuroscientist Kaminomiya on suspicion of murdering a serial killer known as "The Photographer." Kaminomiya confesses that he has "created many murderers." In exchange for his confession, he bargains with the police to launch a new investigation into the case of his son and death-row criminal Kaminomiya Seigi, founder of a cult that plotted to overthrow the government.

A machine mind was built to solve the the environmental problems yet it determined that human is the cause of it thus raged a war against human.