Joe was taking a bath when he heard some footsteps outside. He thought it must be his girlfriend but she wasn’t responding to him. He kept shouting from the inside, who’s there? But there was no response from the other side. Joe thought his girlfriend is angry or something and so he rushed came outside the bathroom but there was no one. Puzzled with the situation he was in, he was sure that he heard some footsteps but there is no one in the room. Joe thought his girlfriend left as soon as he came out. He called her but there was a network in the house. What’s really happening? He found out soon.