Young Ngai planned to castrate himself to enter the palace for richness and fame. On his way, Ngai was attracted by Han, a showgirl from a sex torture show. They then ran away from Sun the eunuch, Ngais introducer, who meant to buy Han for sexual torture until death. Same night, Han showed Ngai the greatest sex torturing skills; but in return, after learning so, Ngai killed her in the middle of the torturing and handed her head to Sun for forgiveness
