All of a sudden, Sage's phone beeped, and she checked the message. Her eyes widened in horror as she read the words: "I know you killed Sarah."

Fear gripped her, and she threw her phone across the room, screaming and hurling. "Oh my God, did someone see me? I'm doomed! What would I do now?" Sage exclaimed, pacing around the room in a state of panic.

Her mother, who had been in the living room, rushed into Sage's room, concern etched on her face. "Sage, are you alright? I heard a crash in your room."

Sage quickly composed herself, trying to hide her fear. "Mom, it's nothing. Just go," she...