This film tells the story of water conservancy expert Shen Tianyi and his classmate Xin Yuanhang who, while dealing with the Yellow River flood problem in Gumu Village, encountered a strange incident of "walking against the water" and accidentally rescued their former friend Yu Yin. Several people working togetherExplore the truth behind the mysterious events of the Yellow River. Shen Tianyi and others analyzed and gradually unraveled the mysteries layer by layer, and found a scientific way to manage water disasters, completely restoring peace to Gumu Village.