L'Incroyable Studio

In a medieval village, where children are forbidden to go near the sea, 10-year-old Anna forms an unlikely duo with her whimsical, mysterious grandmother. Together, they venture deep under the ocean to uncover the secrets of the lost city of Ys and do battle with the terrible Sunken Knight.

One morning, a group of citizens discovers a big whale corpse in the middle of the city. They can't get around it, so they'll have to face the animal body. This meeting is about to transform them in an unexpected way.