The story centers around five attractive girls who find themselves trapped in an unfamiliar place with a strange voice telling them that one of them has to sacrifice her life in a diabolical ritual. Struggling to survive, the girls need to reveal their sins and sexual experiences in order to satisfy the devilish voice.
The story is about Thong Prakai, a girl who went to live in Bangkok in search for a better life. She gets envolved with several men, using them as a ladder to become rich and luxurious.
When Boom suffers abandonment and abuse by Prathan, she decides to use black magic to take revenge on him and his family.
A group of close knit friends graduate from a women college. Each goes separate ways with different lifestyle, but they still keep in touch with the group. They soon find out that the world outside the college's wall is not as beautiful as they expected, the civilization seems to progress into the wrong direction so one of the girl in the group begins to stand up and fight for women equal right.