Evelina. A girl who escaped Hawkins lab. Having to leave her sister behind, swearing that she will come back. Even as she got older, the tattoo on her wrist always reminded her of what she is. "013" that number partially haunts her. As she survives on her own. Living with Jonathan Byers. Her best friend. Soon his little brother Will Byers goes missing. As his friends, Dustin, Mike, and Lucas don't know what to do. They ask her for help, as they are in the woods looking for Will, they stumble upon someone else. Eleven.