Other people spend money fishing, but Jiang Yang gets rich from other people's fishing! After quitting his job and returning to his hometown, he gets bound to a system and takes over an abandoned reservoir. Whenever anglers catch fish, he receives cashback! Who would have thought that this little pond is packed with giant fish? Beginners get hooked after just one cast, while even expert anglers are dragged away by the fish one after another. More and more fishing enthusiasts gather, the fish they catch grow bigger and bigger, and Jiang Yang's wallet gets fatter faster and faster! But on the next cast, who will catch whom: the fisherman or the fish?