A masterpiece about scientific creation, it tells the story of the Kaka family, which evolved from octopus, living on an isolated island in the sea. In order to restore the glory of the family, the protagonist Kaka took out half of the ancestral "treasure map" and led the tribe on their dream journey. During their journey, there was always a mysterious voice guiding them forward, leading them to strange planets one after another, and colliding with different races to tell different stories.