Marnie Witerson (Famke Janssen)'s husband Mike (Michael Paré) is a policeman who has been corrupt and bribed outside and abused his wife at home. Unable to bear the long-term abuse, Marnie finally killed her husband. After seven years in prison, Marnie, who has performed well, was allowed to continue her six-month sentence in her New York home, during which she must wear electronic handcuffs to ensure that she does not exceed 100 feet of activity. However, the limited freedom did not make her feel more joyful. Her movements were limited by electronic handcuffs. Her husband's former partner Shanks (Bobby Cannavale) hated her, and the long-empty house was full of complex and contradictory memories. Marnie cleaned the house and tried to start a new life. But she slowly discovered that not only was her painful past entangled with her, but also her husband's unresting ghost was wandering around, entangled...