Luz is a character in the 2010 action film "Machete," portrayed by Michelle Rodriguez. She is the leader of an underground network that helps Mexican immigrants crossing the border into the United States. She also runs a taco truck that serves as a cover for her activities. Luz is tough, no-nonsense, and fiercely independent. She becomes a valuable ally to the titular character, Machete, in his mission to take down corrupt politicians and drug lords. Throughout the film, Luz demonstrates her combat skills and ability to handle dangerous situations, making her a force to be reckoned with.