Unsichtbare Gegner AKA Invisible Adversaries (1976)
Invisible Adversaries (German: Unsichtbare Gegner) is a 1977 Austrian experimental drama film directed by Valie Export, her debut feature film. Set in contemporary Vienna, the film involves a photographer, Anna, who discovers that extraterrestrial beings are colonizing the minds of her fellow citizens by raising the human aggression quotient. The outer world immediately becomes disjointed, yet the inner world does too, as Anna and her lover, Peter, try to hang onto their deteriorating relationship.