Yun Zhizhi fell out of love after graduation and was saddled with a huge gambling debt left by her stepfather. Her mother fled with her younger brother, leaving only her grandmother's small supermarket behind. When a debt collector came to her door, she accidentally opened an alien portal in the warehouse and rescued Su Yanche, a hungry and cold alien boy. With the arrival of the alchemist Yu Shi'an and the heroic girl Yu Xiao one after another, she discovered the great disparity in the value of materials in different worlds. She used the supermarket to buy and resell in various worlds, quickly turned around, and also rescued her friends who were in desperate situations. The Spring Festival was approaching, and when she thought she was alone, people from other worlds came with New Year's Eve dinner, allowing her to have a real home for the first time.
