A hundred years ago, humans threw nuclear pollution into the ocean.
A hundred years later, the ocean returned the mutated life to the land.
The world no longer belongs to purely human beings, but to "all that survives."
After the implementation of the "Snow Water" plan, humans moved toward the center of the continent and gradually formed a human base.
Youyin is an officer who was sent to the experimental base. In the blue fish tank, he saw the last whale in the world - Shen Yu.
Concept: Cross-species friendship in the apocalypse.