This film tells the story of Shen Tianyi, a water management expert, and his fellow student Xin Yuanhang, who encounter a series of eerie events involving "walking corpses against the current" while addressing the issue of Yellow River flooding in the Gumu Village. They unexpectedly rescue their former companion, Yu Yin, during the process. Together, they embark on a journey to uncover the truth behind the enigmatic occurrences related to the Yellow River. Shen Tianyi and his companions analyze layer by layer and gradually unravel the mysteries, ultimately discovering a scientific solution to manage the water disaster, bringing lasting peace and harmony back to Gumu Village....

Since witnessing the death of his wife in a shipwreck, Zhang Yang, who has spent half of his life at sea, vowed never to set foot in the ocean again. However, on his daughter's 12th birthday, Zhang Yang, who could not resist his best friend's persuasion to fulfill his daughter's wish, broke his vow and participated in a sea smuggling and embarked on an ocean liner that was no different from a steel prison. At the same time, a horrible accident happened, a deep sea monster that has never been seen before has escaped from the ship's laboratory. With the genes of the natural predator, the human on board launched a merciless hunt, will all be put to the test of survival....