Mi pecado is a Mexican telenovela that was produced by Televisa and aired on El Canal de las Estrellas from 15 June 2009 through 13 November 2009. Starring Maite Perroni and Eugenio Siller, Mi pecado tells the story of young lovers Lucrecia and Julián, who are torn apart by their families and the tragic death of Lucrecia's brother César when they were just children.