Lan backed away, her heart hammering. The reflection didn’t follow. Instead, it raised a single arm, fingers curling like the crest of a wave—the opening pose of Odette’s adagio from Swan Lake .

Lan had already typed the Vietsub: “Con đã cảm nhận được. Hoàn hảo. Nó thật sự hoàn hảo.”

For three years, she had been a fan-subber—a ghost in the machine who translated foreign films for a small online community. Her username, ThiênNga , was barely known, but her work was legendary for its poetic precision. Her latest and most consuming project was Darren Aronofsky’s Black Swan .