Diego is a very handsome and talented boy who is the son of the corrupt political leader Leon Bustamante. In the beginning of the series he dates Vico but later dumps her because she cheats on him with Tomas because he didn't ask her to go to his party. He also pretends to date Roberta so he will be able to play with RBD though he does really have feelings for her. After Roberta leaves for Spain because her dad is forcing her to go, Diego falls in love with Paula, a girl that is paid by Leon to sleep with him, because Diego was still a virgin. They fall in love and decide to run away together. Leon finds him and tells him the truth about Paula. Diego finds out that Paula not only slept with him, but also with his father, so he dumps her.