Unemployed young man Shen Lang accidentally binds with the Super Fishing Ground System, returns to his hometown, and transforms an abandoned reservoir into a fishing holy land teeming with giant creatures. Magical bait causes fish sizes to skyrocket, and generous rebates help him rise all the way up through counterattacks. Anglers from all walks of life come by reputation, successively challenging the huge creatures in the water, and hilarious iconic scenes unfold one after another. As the secrets deep in the reservoir are gradually uncovered, Shen Lang's business also becomes increasingly booming. Leisurely fishing on one hand while easily getting rich on the other, he ultimately crafts the barren hills and ridges into a giant creature paradise that anglers nationwide rush to head toward.