In Zacatecas, Mexico, Mary and Chuy begin their journey on their way to Texas to be reunited with their father. But, along the way they encounter many dangerous challenges that could be deadly. While Chuy, Mary's loyal Xoloitzcuintle, is aware of these dangers, Mary is not. This journey highlights the obstacles that immigrants face whenever coming over the border into the States as they put their life on the line in hopes of a better future.