Years ago, an accident robbed the male protagonist of a vital stretch of his memories. One day in the mid-21st century, while S3 zones opened around the world outside Huaxia, he set out on a research voyage during a brief lull in the peace. His cruise ship encountered a catastrophic shipwreck brought about by fate and human actions, and he was swept into Guixu, the deepest point of the Mariana Trench. Seeking the source of a girl’s voice so he can return to the surface, he faces one extraordinary adventure after another, and hardships beyond anything he could have imagined...
