In Yongye Port, which never sees the light of day, a mysterious whisper spreads in the streets and alleys. Anyone who hears it will die mysteriously within three days. Erin, a former linguist, becomes involved in this strange mystery in search of her missing brother. She discovered that the whispers were not random curses, but some kind of conscious presence revealing itself through human speech. As the investigation deepens, Erin realizes that the entire city is just a giant petri dish, and she may be the only one who can understand the truth.
