The Beijing-Hangzhou Grand Canal can connect the historical tributaries of different dynasties at midnight. What circulates is not only goods, but also secrets buried in the mountains and rivers. The protagonist Gu Linzhou becomes a new generation of river master by inheriting the shipwreck from his ancestors. He relies on ancient and modern cargo reversal and canal management to reverse the predicament, but he is also gradually involved in the secret situation of the national destiny that spans the nine dynasties.
