In her previous life, Zhao Laidi was plotted by her relatives and trapped in a supermarket cold storage. She eventually died of despair in the apocalypse of extreme global heat. The indifference of her relatives became her lifelong pain. Once she was reborn, she returned to the day when her family forced her to go out to work. With the painful memories of her past life, Zhao Laidi completely awakened and determined to break away from the shackles of her original family. She secretly prepared cold storage keys, hoarded survival supplies, and renovated the supermarket to create a high-temperature refuge fortress. Faced with her family's increasingly oppressive schemes, she had already become as hard as iron and would no longer give in.