The story follows Link, who has returned to his village after several years away. His peaceful life is disrupted when a series of mysterious events start occurring in the nearby town. Strange creatures are seen lurking around the river and some villagers have gone missing. It's up to Link to investigate these strange happenings and uncover the truth behind them.
The gameplay involves fishing, exploring the riverbank, and interacting with the local wildlife. You'll need to catch and collect 60 different types of fish, shellfish, plants, and insects to trade with other players or use in your fishing rods. However, beware - some animals living around the river can detect your catches and may attack you.