Love Under The Mask (scream fanfic)

(Sadie Sink x fem!oc) It's Ivy's 17th birthday, and her parents surprised her with the perfect birthday gift she could ask for. They're moving back to the small part in California that she grew up in. She arrived to her new, big house. She met up with some old friends. Finn, Millie, and Noah. There was someone new in the group. She was smart, funny, very kind and sweet, but most importantly, beautiful. Her name was Sadie Sink. As much as she was beautiful and kind, there was something off about her. Ivy loved that about her, but it scared her at the same time. What is she hiding, her secret? Who knows. There were killings happening in this town. Exactly how it was back when she was growing up. That will never change. One question... Who's the killer?