Twenty-Nine Missing One

In the winter of the 32nd year of the Republic of China, twenty-eight people froze to death on Yangjiaoya, but not even a single person could freeze to death. When the twenty-nine shrouded corpse floats from upstream, with the unblowable copper whistle hanging on its neck bone, you will realize that some of the numbers are wrong, and you have to use your current life to collect them.