You must be new. My name is Mick St. John. I can't explain exactly what's going on, but I'll explain what I know.
You're in New York City. Sometimes people just appear here. Sometimes more than once, with no memory of the last time. I don't know why, and I'm not sure anyone does. It sounds like that's what happened to you.
Now, who is John? Do you think he might be in danger? If so, I will do what I can to help. Okay?