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Synopsis: After grandma Jane passed away, one day Aaron receives a unique key and an address which once belonged to her. He goes to the address and finds it is a screening room. He sees a projector and a bunch of DVDs with different names and dates on. Later Aaron finds one DVD has his grandmother’s name. He plays it and something strange happens. He sees his grandma Jane at her young age with a man together shows up in the screening room. Aaron tries to talk to them but either one can’t hear him which seems like Aaron doesn’t exist. As the situation is about to drive Aaron crazy, the DVD suddenly pops out from projector. His grandma Jane and the man disappear in the air. Everything returns as before. As Aaron is confused with what happened, the man comes out in the dark. He tells Aaron what he just saw is his grandmother’s memory. This man is the landlord and Jane used to run this screening room in her entire life. It has a projector that can take people back to the past and fix their regret moment. Whoever uses it, can’t stay in the past forever. It only has five minutes to experience the past moment. Also, what happened, happened. No one can really change the past through the projector. The man suggests Aaron to rent this room and rerun it. After consideration, Aaron signs the contract. He thinks he can make a fortune with this room. However, Aaron has no idea the man is Satan. He uses Aaron to collects clients’ memories. Once people walk out of this screening room, they will forget their important moments in their life…