In 1930 Hollywood, a Spanish actor is cast in the night shoot of a soon-to-be-legendary vampire film, forced to imitate the English-speaking star who performs the same role by day. The two actors regularly meet at the transitory hours of their shoots, and a rivalry stirs between them. All the while, a string of murders are occurring on and around the soundstage.

https://www.themoviedb.org/movie/1708236-los-vampires