Su Xiao, an ordinary employee, thought life would be dull until natural disasters suddenly struck the world, earthquakes and acid rain raged one after another, and the world was reduced to ruins. In the chaos, the mysterious security guard Lu Yan suddenly appeared. He was as calm and rational as a snake, and as witty and changeable as a fox, pulling her back from the edge of death time and time again.
The two were accidentally involved in the conspiracy of the "system controller" - the natural disaster was actually man-made to select "qualified candidates". In order to fight against fate, they searched for a secret base, but repeatedly found themselves in desperate situations. Lu Yan's mysterious past is gradually revealed, and Su Xiao also transforms from a proud girl into a tough warrior. When the final crisis comes, some people choose to sacrifice themselves, and some people vow to change their lives against fate. In the ruins of the apocalypse, their love and struggle become the most dazzling light.
