A global natural disaster struck without warning. Earthquakes, tsunamis, and extreme cold raged one after another, and modern cities were reduced to ruins. Primary school support teacher Su Xiao, relying on her eccentric mind to survive in the ruins, accidentally broke into the doomsday safe house of retired soldier Wang Luchen. Friends who used to be side by side were stabbed in the back in a desperate situation. Under the double test of natural disasters and human hearts, the passionate she and the calm him, from strangers to trust, built a survival defense line on the ruins, collected supplies, reinforced safe houses, and rescued survivors. When a more terrifying "natural disaster" comes, can they lead everyone to break through the doomsday siege, rebuild their homes in the wasteland, and witness each other's growth and redemption in desperate situations?
