Solar activity plummeted, and the earth fell into an era of eternal permafrost. The oceans were frozen, vegetation was annihilated, and humans huddled in geothermal fortresses to survive. {Chu Shuang} is the sole executor of the "Tinder Project". He shoulders the important task of escorting the human gene pool and civilization database and embarks on a journey to the equatorial warm zone. On the ice sheet, the fangs of mutated creatures flash, predators coveting the gene pool are approaching step by step, and the bitter cold follows them like a shadow. When she broke through the desperate situation, she unexpectedly glimpsed the cruel truth - the ice that swept the world was actually an experiment of higher civilization. In a desperate situation, can Chu Shuang bring human fire to ignite the hope for the continuation of civilization on the frozen land?
