Engineer Lin Yuan struggled to survive in the apocalypse and got acquainted with the special forces Marine, marine biologist Su Wan, and the little girl Xiaoya. Together, they went through a lot of hardships, from guarding a ship to a city, surviving from death. In the end, he led the remaining humans to build a floating city on the sea as a habitat, and then found a way to defeat the underground creatures, and finally won the story.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.