Jun Aisaka seduces one woman after another. His victims were flirtatious married woman Noriko, student Keiko, widow Mitsuko and dancer Rumi. As a result, he ends up in prison, but after escaping with another prisoner, he continues his criminal adventures with a partner. It is clear that this will not end well. Moreover, a couple of detectives are already on the trail of the criminals.
Masako, the young lady of the family estate, returning from overseas following the death of her diplomat father. She had originally left in opposition to his second marriage to the avaricious Tomoko, who now parades her new lover Goro around the house as if it were her own. When the family lawyer informs the gathered masses that it is Masako who is the legal inheritor of the entire estate, her elder sister Sumie and fiance Shinjiro join Tomoko and Goro in hacking up the unfortunate heiress with an axe. It is not long before the assorted pieces of Masako begin cropping up to drive them all insane, followed by her apparition in the traditional white smock with eyes peering wildly through straggly black hair.
A madman is on the loose, raping and murdering women and sometimes engaging in necrophilia. After one woman manages to flee the criminal before he has killed her, she goes to the police for help in bringing him to justice. The criminal targets the woman for murder.