Synopsis：When a catastrophe comes, the heroine Xu Zhiyi is tricked by Xiao Liang into asking the hero Shen Yunan for food. In order to protect the heroine and hand over the food, the hero is betrayed and assassinated. The story is about a female protagonist who died in love and was unexpectedly reborn before the catastrophe. She and the male protagonist built a safe house to resist the cold winter and foreign enemies and spend the end of the world together.