In the 107th year after the nuclear war, the life support system of the last underground shelter is about to cease. Young engineer Ye Chen climbed to the surface with the "Spark Project" left over from the old world. He faced not only radiation and mutated creatures, but also careerists who wanted to establish a new order in the ruins. His mission is to allow human civilization to sprout again, but some people believe that ruins are where humanity deserves to end up.
