“The sea has never been friendly to man. At most it has been the accomplice of human restlessness.”

Planet Earth, indefinite future.
The world has been devastated and transformed by a disaster that has made it almost completely covered by the sea.

Herm, an Halfish (hybrid man-fish), despite his introverted and sullen personality ("Herm" is infact the diminutive of Hermit,
nickname that was fastened him for his attitude) will find himself fighting to redeem not only his specie, but also himself.