One night a student has not home to stay in night and than he sees a home on rent in a very cheap price he goes to the appartment owner and talk to him the owner says that if anyone knock the door at night Don,t open the door.the student was afraid but he thinks that where he will live this night so he take the keys of the room.at night he was sleeping and someone knock the door he wake up and was very afraid he thinks that I cannot open the door but I can see through the door hole.he does that and sees whole red outside the door.