Melissa is a schizophrenic 16 year old living in Connecticut. She is in a mental institution and has vivid and persistent hallucinations. She has completely hallucinated her best friend, but she is convinced that the girl (Isabella) is real.
Rising Action: Melissa is called in by her therapist and goes to talk about Isabella for the umpteenth time.
Climax: She realizes that Isabella isn't real.
Falling Action: Melissa is miserable and grieves her nonexistent friend.
Conclusion: She finally finds closure when she agrees to talk to a girl not too much unlike her.