Margaret's life is in order. She is capable, disciplined and successful. Everything is under control until David returns - that is - carrying with him the horrors of Margaret's past.
Margaret is a composed, successful businesswoman living in Albany, New York, and single mother to Abbie, who is leaving for college. She has an affair with Peter, her married co-worker. One day, Abbie finds a tooth in her wallet. Margaret misses a call from Abbie, who had a biking accident while drunk. During a work conference, Margaret notices David, a man from her past, also attending. She has a panic attack, runs home and prevents Abbie from seeing a friend.Margaret has a nightmare about finding a baby in the oven. She becomes irritable and attempts to have sex with Peter at their workplace. She sees David again while shopping and runs off with Abbie, who became wary of her behavior. Margaret confronts David, who claims that "Ben is with me" and smiles, his mouth missing a tooth. Margaret goes to the police, but receives no help. She has new locks installed and purchases a gun.Margaret met David at the age of 18 and moved in with him after two weeks. While initially charming, David soon became abusive and controlling. He asked Margaret to give "kindnesses", which were essentially acts of self-harm or personal humiliation, in return for his love. She gave birth to a son named Benjamin, who became his target for jealousy. One day she returned home to find Ben gone but for two fingers. David claimed to have eaten him. Margaret became catatonic and David manipulated her into believing their dead son was alive inside him. She eventually fled to the United States.Margaret asks David to leave. David continues to manipulate her and implies he is responsible for Abbie's accident. He leaves a key to his hotel room, where Margaret finds Ben's baby blanket. She wakes up the next day lactating.Margaret learns his routine and plans to kill him at a bench near a river. Abbie and Peter ask her to seek help, but she drives both away. As she tries to kill David, he overpowers her. A delusional and exhausted Margaret hears Ben's cries from David's stomach. David chastises Margaret for trying to kill him and asks for another "kindness": she is to hold a complicated yoga position in a public park at night for hours.The next morning, a scared Abbie runs away from Margaret. Peter, who has been watching Margaret out of worry, confesses his love to her, but she punches and threatens him. David visits Margaret at work and asks her to come to a hotel room. She writes a goodbye letter to Abbie and records a video message.At another hotel room, David makes Margaret feel his stomach and claims that Ben is moving. Margaret attacks him with knives, ties him up to the bed and slices open his stomach, killing him. She pulls out his intestines, apparently finding a breathing fetus that she holds with care.Abbie is seen leaving home for college. She lovingly says goodbye to Margaret, who is holding the baby. Abbie thanks her for keeping her safe as Margaret allows her to hold the baby herself. However, Margaret's smile slowly fades away before she gasps in terror. (thanks to Wikipedia)
Storyline
Haunted by harrowing memories of abuse, emotionally scarred Margaret, a doting single mother and dynamic executive on top of her game, now seems to have it all together. And with her 17-year-old daughter Abbie about to spread her wings and leave home for college, Margaret's life finally goes according to plan. However, trouble is brewing. When unsuspecting Margaret catches a glimpse of her toxic past at a conference, suddenly, she must summon every last ounce of courage to face the ghastly figure yearning to re-enter her life two long decades later. Has the ugly past returned to settle old scores with a vengeance? — Nick Riganas