Cuando una madre muere de c?ncer, su hija queda al cuidado de su padre y su calculadora t?a, que acaba convirti?ndose en su madrastra y la maltrata duramente. La hija descubre como liberarse y acabar con ella gracias a un libro que dej? su madre.

When a mother dies of cancer, her daughter is taken care of by her father and her calculating aunt, who ends up becoming her stepmother and mistreats her harshly. The daughter discovers how to break free and kill her thanks to a book left by her mother.
(Google Translation)