Plunge

Before leaving for Rome with his mother, five year old Natan is taken by his father, Jorge, on an epic journey to the pristine Chinchorro reef off the coast of Mexico. As they fish, swim, and sail the turquoise waters of the open sea, Natan discovers the beauty of his Mayan heritage and learns to live in harmony with life above and below the surface, as the bond between father and son grows stronger before their inevitable farewell.

A small, lone Kappa miraculously survives over 200 years into modern day Japan, when he is found by young Koichi. Coo, who is secretly adopted by Koichi's family, searches with his new human friend for unpopulated places in hopes of finding any remaining of his kind.