In the apocalyptic wasteland that devours sound, the bloody keys are the final salvation.
Music student Qin Ge discovered that his blood could activate ancient music to purify mutated fungi, at the cost of devouring his hearing with every melody.
When the Silent Sect slit their throats to survive, the Musical Sect turned Chopin's nocturne into a weapon, and the young man set foot on Mount Everest carrying a guzheng with bamboo patterns on his back: "If the world can no longer hear the Ode to Joy, I will become the last note of mankind."