All of his life, Mauricio de la Vega was told that he was going to be something special in life. He had to carry on the de la Vega name with honor and dignity. But there a lot of bad things that were happening to Mauricio that fueled his anger. In desperation he teamed up with his friend Primo Mancini and together they became co leaders and cofounders of a secret gang known as the Pachuco2k and they hope to make their respect family's proud. But there was an evil ancient curse that followed the de la Vega's, for generation and generation. And one particular summer, Mauricio goes to the Indians and hopes that they can help him. Well something bad happen during the ritual and it open the gate of Hell. And a evil dark ancient spirit entered Mauricio's body. With the dark spirit in Mauricio's body, he was now ready to have his revenge. That's where Mauricio de la Vega broke the de la Vega tradition and became a legend in his own right. And his family doesn't know that he became a serial killer known as The Dark Cowboy.