The story revolves around Shelley and her long-time best friend Tanya, who has become increasingly possessive and jealous of Shelley's new friendship with Lisa. Tanya's behavior escalates to dangerous levels, and it is eventually revealed that she poisoned Shelley's sister and attempted to kill Lisa. In a shocking twist, Tanya hits Shelley with a car while wearing Lisa's jacket, and the truth about her crimes is finally exposed. Tanya is arrested and sentenced to life in a secure facility for psychiatric treatment. In the end, Shelley and Lisa emerge stronger and closer, with a deepened understanding of true friendship, and they make room for new friends in their lives.
Here are the key facts from the text:
1. Shelly and Tanya have been friends since kindergarten.
2. Tanya becomes jealous when Shelly starts spending time with a new friend, Lisa.
3. Tanya believes that there can only be one best friend forever.
4. Shelly and Lisa try to include Tanya in their activities, but Tanya's behavior becomes increasingly possessive and controlling.
5. Tanya's behavior escalates to violence, and it is revealed that she poisoned Shelly's sister and tried to kill Lisa.
6. Tanya hits Shelly with a car, causing her serious injury.
7. Shelly discovers Tanya's crimes and confronts her in the hospital.
8. Tanya is arrested and sentenced to life in a secure facility for psychiatric treatment.
9. Shelly and Lisa become closer friends after the traumatic experience.
10. Shelly and Lisa's friendship is strengthened by understanding and trust, rather than jealousy.