Wilson arrives to warn Mary, only to be attacked and stabbed by Stephen. Mary and Tom escape the basement and hide in a closet.ĭr. Mary finds Stephen and Tom in the basement where Stephen is planning to murder Tom, and learns that Stephen killed his father on purpose. His attempt to call the police is unsuccessful due to the ice storm. Wilson rushes to Mary's house, but wrecks his car on the way. Alone in the tub, Mary uses a bottle of shampoo to both slip her bonds and induce vomiting to expel the pill. Stephen forces Mary to swallow another pill, then goes to deal with Tom. Stephen has been keeping Mary disoriented by slipping her his medicine, which not only allows him to walk around at night, but also confuses Mary when she sees Tom. When Tom saw Stephen moving around, Stephen blocked him in the crawlspace, hoping he would starve to death. It is revealed that Tom has been living in the crawlspace, rather than having been transferred to Boston. He believes that for six months they were happy together, but then Tom arrived. He didn't move or speak so that he could relish her attention. He reveals to Mary how he woke up in the hospital after the accident with her there.

Mary regains consciousness-bound, gagged, and naked in the bathtub, with Stephen bathing her. Mary sees Tom, and just then, Stephen appears and knocks her out. Mary is in the basement when the lights go out. The lights go out in the house and the computer connection drops. Wilson sees Stephen's empty wheelchair, then sees Stephen walk across the living room.

Mary denies taking any medication and walks away without ending the call. He admonishes her because her stepson's medication is showing up in her blood. Wilson contacts her via Skype with her blood test results. Mary declines two invitations to leave her isolated house before an impending ice storm, one from her assistant Lucy, and another from Doug. Stephen is back in his bed but has scratches on his face. The next morning, she wakes up on the floor. As she examines it, she is grabbed from inside by two small hands. While looking for him, Mary finds that a small door to a crawlspace is slightly ajar. Mary reconsiders and has dinner with Doug. Doug Hart, the father of one of her patients, asks her out, but Mary declines, implying that it would be unprofessional. Wilson wants to prescribe her some medication and orders some blood tests. Over the following nights, Mary wakes up to sounds in the house and even wakes up to see Tom in the darkness one night. She brings him inside and makes a call, but Tom vanishes.

While she feels guilty, she has decided to put Stephen in a home to be cared for because he is no longer there and is just a body. Later, Mary discusses Stephen with her therapist, Dr. She is upset to learn that one of her patients, a mute child named Tom, is to be transferred to a school in Boston. Mary is a psychologist who works from home with children and teenagers. Six months later, Richard's second wife and Stephen's stepmother, Mary, is taking care of his every need. While his father, Richard Portman, is driving him there, they get into a bad argument, and the car swerves into oncoming traffic, killing Richard and putting Stephen into a vegetative state. Stephen is a troubled teen from Maine who is being sent to boarding school.

Shut in 2016 trailer