The year 2023 marks the 50th anniversary of the discovery of Hemudu, a Neolithic Age archaeological site in Yuyao of Zhejiang Province on the southeast coast of China. This radio drama "Once Upon a Time at Hemudu" begins with a dusty journal and unravels the legendary story of two generations of archaeologists who unraveled the myth about the earliest origins of Chinese civilization.

Some characters in this radio drama are voiced using artificial intelligence.