In this tale illuminating the plight of illegal aliens, Kate del Castillo plays Rosario, a woman working illegally in the United States to provide a better life for her son Carlitos (Adrian Alonso), who remains at home in Mexico. Longing for his mother, Carlitos stows away on a van that's headed for the border. But an already treacherous journey becomes even more so when Carlitos is separated from his smugglers (Jesse Garcia and America Ferrera).