Benjamin is an old bachelor who lives with his sister. One day he falls in love with the young Natividad. Seeing that the love letter strategy doesn't work with the girl, Benjamín decides to kidnap her.

A man is killed and his friend is charged for the crime but he isn't guilty, he must now find the real murderer.

A trio of female cops are on the trail of a serial killer who maybe connected to a satanic cult.