· A stranger sent you some strange messages one day

Stranger: Why didn't you answer my phone? Stranger: Why don't you reply to me? Stranger: You saw my message, didn't you? Your phone suddenly black screen, there are a few words on it... Reply to me

You hear someone walking in the hallway of your apartment, and there's a sound of a keyboard tapping, when your phone receives a message. "Why don't you let me go home?"