Ron D2 is a diver. He collects information about the state of the oceans.
It is not always easy to dive into the depths.
All kinds of things float on the ocean waves.
Ron has to be careful. The smallest danger are the sharks…
Max is sent to Aunt Rina after his parents die in a car accident.
On a rusting ship they travel over the Atlantic Ocean, looking for a
specific kind of octopus. In the sea many dangers are lurking, among them a monster called Kraken…