Modern girl Wen Nuannuan accidentally carries a refrigerator that automatically replenishes food and transmigrates into a novel, becoming the bride for luck of the future chief councilor Leng Xiao. To escape the original owner's tragic ending of dying miserably, she takes the initiative to pay off debts, guards the property, and uses modern cuisine to improve the Leng family's life, taking care of three young younger brothers. As the refrigerator continuously expands its capacity, the Leng family gradually shakes off poverty, and Wen Nuannuan and the cold and restrained Leng Xiao also build trust while making a living together, hand in hand welcoming the drought, the imperial examinations, and the road to the capital.