《19禁房事: 不能说的秘密》

The women introduce themselves as sisters looking for their long lost father and they start to seduce the man. Actually, these women are a serial killing duo who only target men who live alone. In the end, the man loses his life. While they are celebrating, a boy calling himself the man"s brother, appears in front of them one day. He looks and sounds just like the man but has a completely different personality and he"s nothing like the two women has ever seen before.