Mundo de fieras (English: Love and Cruelty)[1] is a Mexican telenovela produced by Salvador Mejía Alejandre for Televisa that premiered on July 31, 2006, and ended on January 19, 2007.

The telenovela stars César Évora, Gaby Espino, Edith González, Ernesto Laguardia, Helena Rojo and Michelle Vieth.

Joselyn blames her husband and makes his life miserable, with help from her mother Miriam and her daughter Karen from her first marriage.

Yes One day a young humble named Mariángela comes to the mansion to teach Luisito, and Gabriel falls in love with her.

The "beasts" takes charge to destroy Mariángela, especially when they discover that she is the illegitimate daughter of Don Clemente, Miriam's husband and father of Joselyn.