Delitto in Via Teulada (1980)

Diamante, an actress engaged in the filming of a drama, is shot dead in a small warehouse used to store the cinema "pizzas". Another actress, Ely, catches a glimpse of the corpse, which however is immediately disappears. The girl is not believed, but Annie, the Variety's first dancer, is also brutally killed: chased in the dark stable, she ends up in a multitude of empty television studios, deserted costume areas, labyrinthine corridors. The girl cries for help but is not heard by anyone.