It's bad to get addicted to heroin.
Connie is extremely unhappy because she's failing out of school and her boyfriend dumped her.
Connie wants to start feeling better.
Connie begins regularly seeing a counselor to talk about her problems.
Connie starts using heroin regularly to get high and mask her emotional pain.
Connie begins to feel more confident and happier, and her grades start to improve.
Connie overdoses and has to be rushed to the emergency room to save her life.