The great freeze suddenly descends, and the world plunges into extreme cold. Su Ran, who has reborn with doomsday memories, hoards supplies and builds a shelter step by step ahead of the disaster. After the doomsday arrives, he leads his partners to clear the threat of ice beasts, collect energy, reclaim land and farm, transforming the small shelter step by step into a warm and safe home. Above the icy plain, they protect each other and keep watch, lighting up the light of hope in adversity with courage and wisdom, guarding tomorrow and hope that belong to everyone.