Watch Boarder: Dangerous Cohabitation for Free: How to Stream the Movie Online at 123Movies. . Mi-hyeon's newlywed life was normal until her husband, Ki-hyeon, got into an accident. Her body and mind are ruined as she takes care of her crippled husband. While struggling with the hardships of her life, Mi-hyeon takes in a young man as a boarder with the introduction of her friend, and a deviation that Mi-hyeon never had before begins.