The sound of glass shattering made Luna snap upright. She yanked off her headphones and peered toward the window, heart stuttering. For a moment all she saw was the city streetlamps haloed by the night, the faint hum of traffic but nothing obvious explained the noise. She paused, listened; the only sound was the wind skimming across the balcony. Convinced it was nothing, she eased back into her chair and returned to her laptop, the glow of the screen small and intimate against the dark room.
Then a faint, breathy hiss at the edge of her hearing stopped her again. This time she turned instinctively toward the balcony. Behind the gauzy curtain a shadow moved too deliberate to be just a trick of the light. Her pulse thudded in her ears.
