In the Abyss City that sank under the sea, Gu Piyao, an engineer responsible for maintaining the space-time stabilization device, discovered that behind the city's energy crisis was a conspiracy by the upper management to cover up a massacre of survivors to plunder resources, and her dead family members were the victims; when the flames of revenge and the sense of justice that protected the existing fragile civilization tore her apart, an unexpected deep-sea exploration allowed her to hear a distress signal from the past that should have been extinct in the ruins.
