Three denizens of the archipelago, Nuï, in the world of TerrAqua, participate in the Whale Cup, a drone racing event, in order to save their island from a rising ocean.

Corto, Enki, and Mouse are three Droners from Nuï, a paradisiacal archipelago unfortunately threatened by the irremediable rise of the oceans. In order to save their island, they will participate in the Whale Cup, the most exciting drone race in TerrAqua.