Mi pecado is a Mexican telenovela that was produced by Televisa and aired on Canal de las Estrellas from 15 June 2009 through 13 November 2009. Starring Maite Perroni, Eugenio Siller and as adult protagonist Daniela Castro who is also the main villain. Mi pecado tells the story of young lovers Lucrecia and Julián, who are torn apart by their feuding families following the tragic death of Lucrecia's brother César when the three are just children.