I'm Becca Allen and I'm the fastest girl alive. When I was a infant my mother was murdered by the impossible. Then an accident made me the impossible as well as my older brother. Now I help protect the city from other meta-humans beside me. But My brother does not like it. He wants me to finish high school. But no matter what I will find out who killed my mother.

Allie Saltzman was living a normal life at school. She is living with her auntie. Until her father who she had not spoken to for a year gets in contact with her. Turns out she has a sister from her dead mothers side. What happens when she ends up coming to Mystic falls to meet her sister and she meets the Salvatore brothers.