In the far future, people will destroy the planet Earth, and the only thing left to it is water that now covers its entire surface. All sights and cities are now underwater. The only survivors in a safe hiding place are Kraken’s colony along with his undead grandson, deep.
He does not stand and wants to discover the outside world, but it will only bring trouble and almost the collapse of their colony. And so the octopus Deep and his two friends of shrimp and sea angler have nothing but to dive deep into the sea and find help.