Watch Online Free Putlocker. A solo retreat at an Airbnb was meant to be a sanctuary for a woman grappling with an anxiety disorder. When an intruder breaches the home, the woman is plunged into a suffocating darkness that triggers her claustrophobia. Trapped in a high stakes game of cat-and-mouse, she must navigate a house that now feels as though it is physically closing in on her, turning her place into a labyrinth of terror.