Xu Xiaoni was wrongly thrown into the heavenly prison. In her moment of despair, she accidentally awakened the Big Wok Stove System. Relying on a big wok and exquisite culinary skills, she transformed from a despised death row inmate into Chef Xu, cherished and supported by all the heavy criminals in the prison. She won hearts with delicious food and gradually discovered a shocking conspiracy hidden behind her wrongful case. The powerful Cui family pressed closer step by step, while her husband Shen Shuo remained steadfastly by her side, searching everywhere for evidence on her behalf. In the end, Xu Xiaoni used a great banquet in the heavenly prison to uncover the truth, clear the Xu family's grievances, and grant countless wronged death row inmates a new lease on life.