Summary: Marcus, the preteen son of a recently-remarried, well-to-do writer, whose first wife (Marcus's mother) died a mysterious death. Marcus simultaneously resents his stepmother and feels erotically drawn to her; in desperation, he quickly and aggressively drives her to the point of a psychotic breakdown. He then quietly confesses his act of matricide to the stepmom and implores her to off her husband and abscond with the insurance monies. (allmovie.com)

Poster submitted by Gauntlet

AKA: Diabólica malicia

Genres: Drama, Suspense/Thriller, Horror

Country: Italy, Spain, UK, USA

Directed By: Andrea Bianchi, James Kelley

Written By: Andrea Bianchi, Erich Kröhnke

Starring: Hardy Krüger, Britt Ekland, Harry Andrews, Mark Lester, Lilli Palmer

More information at the Internet Movie Database