A Day Without a Mexican (2003)
When a mysterious fog surrounds the boundaries of California, there is a communication breakdown and all the Mexicans disappear, affecting the economy and the state stops working missing the Mexican workers and dwellers.
Director: Sergio Arau
Writers: Sergio Arau, Yareli Arizmendi
Stars: Caroline Aaron, Tony Abatemarco, Melinda Allen
https://www.imdb.com/title/tt0377744/