Everyday life was wrapped in nothing but gray. Then one day, a beautiful, mature woman moves in next to a man living in a rundown apartment. Bonding over shared interests, they become close friends who enjoy home-cooked meals together. As happy days continue, her life suddenly changes when an unexpected visitor arrives—her ex-husband appears, forcibly embraces her, and sells her to a brothel for money. During training, she suffers the humiliation of being assaulted by the manager. As her life spirals to rock bottom, the man refuses to ignore her plight. A few days later, he discovers her collapsed in the hallway. He nurses her back to health, and in the tiny four-and-a-half-mat apartment, they finally become intimately connected…