Chloe's eyelids fluttered open to a pale white ceiling. The steady beep of machines pulsed softly beside her bed. Her throat was dry, her head foggy, and for a moment she didn't even know what had pulled her from the heavy darkness.

When her eyes adjusted, she saw Zoe slumped in a chair at her bedside, chin resting on her hand, half-asleep.

'...Who are you?" Chloe's voice came out hoarse.

Zoe's eyes snapped open instantly. Relief washed over her face until Chloe's words sank in. "What do you ...