100 Years after the flood called "Doomsday" in 2012, humans raised the land into the sky and became a floating continent. As a new species on the floating continent - special "element carriers" of artificial humans, Li Ye and other nine people launched an investigation to learn about their own life experiences, but found that they were actually artificial humans transformed from living bodies that were absolutely prohibited in the "Artificial Human Treaty". And behind their birth, there is also a crazy plan hidden.