Elise feels utterly invisible inside her immaculate suburban residence, bound to a workaholic husband who treats her presence with passive indifference and patronizing neglect. Craving emotional intimacy and buried excitement, she surrenders to the hypnotic charm of Felix, an alluring artist who encourages her to explore illicit passions and clandestine sensual adventures.
The seductive daydream curdles into a nightmare when Felix develops an unhinged obsession, tracking her movements and demanding complete submission to his perverse rules. When Elise tries desperately to break off the liaison and protect her marriage, Felix brandishes incriminating photographs and intimate recordings, threatening total social ruin unless she continues bowing to his increasingly dangerous whims.
