The movie is set in the Northern part of Italy and is set in and around around the ligurian culture and its people.
The story is based around two young friends who have a deep secret that when water touches them they turn into sea monsters, it is based on Northern Italian folklore which the director grey up hearing.
The movie is directed by Enrico Casarosa who was an artist on Pixar's Coco and you can tell in this trailer as it just spills with the same style and feeling of that movie.
The movie is voiced by Jacob Tremblay and Jack Dylan Grazer in starring roles and is released on June 18th - the trailer doesn't say if it will be theatrical or Disney+!