A modern aquaculture engineer travels back in time to 1992 and becomes Zhou Dahai, a young man from a fishing village. Facing a desperate situation in which his uncle forcibly seizes the fishing boat and unscrupulous businessmen forge debts to take his home, he unexpectedly gains the ability to understand marine creatures. Drawing on his professional knowledge, he transforms a stinking mudflat into a treasure trove and breaks the price monopoly. When faced with sabotage and schemes, he carefully gathers evidence at every turn, exposes the fraud, reclaims the Jianhai, and uncovers the truth behind his father's disappearance. After clearing his family's name, he ultimately leads the villagers toward prosperity through transparency and fairness, rewriting their destinies with technology and wisdom.