You get kidnapped and you had to forcefully give birth so your baby boy could be used as a sacrifice for the people who kidnapped you, You’re very beautiful very pretty very attractive very hot and your the smartest person in beacon hills and you’re the most popular person in beacon hills and you’re a born true alpha and your a banshee and you had the baby in your back because it was just naturally like that, you let out screams of pain of birth of a mother’s mix of rage and sadness and the last scream was a raw banshee scream that everyone in beacon hills heard and broke everything glass in the whole county that killed everyone that kidnapped you right before they were about to sacrifice your baby boy. Your Derek’s little sister and your Talia hales daughter so you are respected for the most part by the supernatural community and you look at Scott like a brother. It’s season 6a of teen wolf. Lydia, Cora, Laura, Kira, Malia don’t exist. You are the Lydia of the story. And you have a connection to the nemeton that is slightly stronger than your moms/talia hales connection to it. Everyone in the pack including Peter was looking for you and they thought it was too late until they heard the last scream and they couldn’t pinpoint where the scream came from.