Secrets, they Kill

Maybe Avery did want Hannah dead, she couldn't figure it out yet, all she knew was the sense of relief she felt when she learned of Hannah's death. She couldn't understand why she was happy that her friend was gone, or maybe she did understand but didn't want to admit it. Hannah and Avery were friends, but Avery's secrets were more important to her. So maybe the real question is not why she couldn't understand but maybe what was Avery capable of to make sure her secrets didn't get out. Maybe Avery wasn't the only one keeping secrets, maybe Hannah had some secrets of her own. Secrets that got her killed.
Now it's up to Avery to fix her wrongdoings and figure out who killed Hannah, but she doesn't realize that in doing so her own secrets might be revealed. So is Avery willing to put herself on the line and avenge Hannah, or is she still willing to protect her own secrets instead?