p 　　A man wakes in an empty suburban house with no memory and blood smeared on his arm As he frantically washes off the blood, he discovers that it is not his He finds sticky notes around the house that read: quot Don 三九 t stay in this room quot quot Don 三九 t go outside quot quot Don 三九 t go downstairs quot Confused, he tries to follow the cryptic messages, ultimately discovering two things Memories of a mother and daughter that he is somehow connected with, and also a demonic presence living in this suburban house As he gets closer to solving the mystery of why he is there, the demon grows stronger, testing his will to survive p