The film follows Mariale (played by Ida Galli), a woman traumatized as a child by witnessing her father murder her mother and her mother's lover before killing himself. Thirty years later, she lives as a virtual captive in a gloomy, decaying castle under the control of her husband, Paolo.

Un bianco vestito per Mariale (1972)—also known as or A White Dress for Mariale —is a haunting, gothic-tinged giallo directed by Romano Scavolini. Often described as a fusion of psychological horror and avant-garde theatre, the film is a cult entry in 1970s Italian horror known for its slow-burn atmosphere and sudden, brutal violence. Plot & Themes

You can find Un bianco vestito per Mariale with English subtitles through the following official and reputable sources: A White Dress for Marialé (1972) - IMDb