A thriller about perception and control, Unsane (2018) follows the story of a young woman who is persecuted by a harasser and shut against his will in a psychiatric institution where he must face his greatest fear. But is this real fear or the product of illusions? A digital harasser seems to have all the power. Although she has done everything she can to get rid of her harasser, she does not feel safe, being in a constant alert and fearful state. While she further states that a man pursues and harasses her, she is seen as delirious, and her attempts to engage law enforcement forces somehow lead him to shut him down in an institution of mental illness. Who really has the troubled mind?