Girl, Interrupted, by Susanna Kaysen is an autobiographical novel by a troubled teen that has attempted suicide, and admits herself into a hospital where she is diagnosed with borderline personality disorder. While in the hospital, Susanna meets a self-interested, unpredictable, sociopath, Lisa Rowe, who in the end unintentionally teaches Kaysen how important it is to be responsible and grateful for life. Drugs are a big issue inside and outside the hospital ward. While under the care of the facility, patients trade each other's medications and abuse them one way or another. To help each girl get better they are taught and shown the line between sanity and insanity.

Susanna explains her past as a surprise to her; flashbacks to someone else's past, as if she doesn't remember much about herself. The first step to getting better is understanding her diagnosis: Borderline Personality Disorder: "How am I supposed to...