When time becomes a plaything that can be folded at will, what price will mankind pay? Former time hunter Lin Shen rescued the mysterious woman Ava from the circulating fragments of time and space, but inadvertently tore open Pandora's Box - the global time afterimages collectively awakened, and the ultimate countdown to the universe quietly started. A war for survival across the timeline breaks out. On this one-way road to the end, the boundary between salvation and destruction gradually blurs, and the only salvation may require the sacrifice of the last bit of humanity. This is the ultimate bet on the meaning of existence, and the bet is the future of entire civilization.