After being convicted of killing her rapist, a woman gives birth to a baby in jail. Regrettable accidents cause her to lose contact with her son. Twenty years later...
Young Guadalupe and her boyfriend love music. She plays flute and he plays clarinet. On Sundays, after attending mass, they give concerts in their parishes. Salome is a young girl who dances salsa every night. All the men who frequent the room where she dances fall in love with her, especially Raúl, a mechanic convinced that his love is impossible, but it turns out that Guadalupe and Salomé are the same person and their love is realized, in spite of the clarinetist.
Sister Maria is known in the convent for her good works and charity, but, in the secret depths of her sexual fantasies, she is tormented by visions of another world - a world where her forbidden passions are allowed to run free. In this world Satan is her master. As her acts of violence and blasphemy mount, Maria realizes that she has been chosen by the Devil to destroy the convent and lead her sister nuns into hell!
