It stars Barbara Steele in a dual role, as Harriet Montebruno / Belinda, and is set in a small Italian village by a lake.

[3] The Countess of Montebruno, returning to her birthright, requests an old statue revealed in a lake be refurbished by an artist, despite it being associated with a curse.

Mysterious deaths begin to occur with the villagers associating it with the return of the Countess Harriet Montebruno and the statue.

The Countess' personality begins to change, taking on the personna of Belinda, the woman of the statue, seducing and influencing the villagers towards her will.

An Angel for Satan was released in Italy on 4 May 1966 where it was distributed by Discobolo Film.