Director Julio Soto Gurpide was inspired by his own deep sea diving adventures for the production of this computer animation. The story takes places in a post-apocalyptic future, where Earth is flooded due to wrong actions of the human beings. Creatures of the sea also suffer because of the ecological catastrophe. However, one of them - the Grimpoteuthis octopus Kraken, succeeds in saving few sea inhabitants, among which his own grandson, Deep. Kraken creates a safe living place for them but Deep is bored by their life. He is also fascinated by the objects, made by people. One day he causes an accident that puts the inhabitants of his home in danger, as they got trapped by stones. Instructed by Kraken, Deep and his friends Evo and Alice go on a mission to find whale Nathan who is the only one able to help them.