When doomsday strikes without warning, an extreme cold and frozen world sweeps across the earth. Lin Ruanruan unexpectedly learns of the impending disaster from a talking, mutated giant pig. She decisively sells off all her possessions and builds an impregnable underground shelter. Facing the schemes and plundering of greedy, reborn neighbors, Lin Ruanruan refuses to resort to evil or violence, instead using her intelligence and the strength of her mutated beast companions to protect her home. Along the way, she meets Ye Qingzhou, a tactical genius, and together they overcome one desperate predicament after another, enduring countless hardships to rescue her mother, who has become trapped in danger. Even as natural disasters and bizarre calamities arrive one after another, this group of companions standing shoulder to shoulder never loses hope. Through courage and perseverance, they strive to carve out a warm, thriving sanctuary amid the frozen apocalypse.