It was New Year’s, and the holidays had begun. At last, she could go home and lounge around. But then the apocalypse arrived, and winter never ended. Summer foods became the most expensive. Xia Xue had just received her salary and year-end bonus, so after meeting Xia Yu at the train station, the two headed straight to the big supermarket near Xia Yu’s school to stock up. They never expected that this shopping trip would become the source of their wealth.