Luca tells the story of an unforgettable summer adventure for Luca Paguro (Jacon Tremblay) with his new best friend Alberto Scorfano (Jack Dylan Grazer).
However, all the fun of the two teenagers is threatened by a big secret, because it turns out that both of them are sea monsters. Luca is a 13 year old teenager who has been looking forward to getting to know the human world above sea level, while Alberto Scorfano is a teenage sea monster who is very enthusiastic to try. new things. Alberto who had explored the human world finally managed to convince Luca to dare to step outside his comfort zone. They manage to get out of the sea and travel to the human world.
