When modern chef Cheng Wanwan won the cooking competition, he was accidentally hit by a chandelier and traveled back to ancient times when famine was raging. After waking up, Cheng Wanwan faced the desperate situation of being destitute and running out of food. She was heartbroken but had to accept the reality. At this moment, the material exchange system was accidentally activated. You can exchange mountain ingredients into copper coins, and then buy grain, meat and seasonings from the mall. In order to change his situation and support his family, Cheng Wanwan changed his past harshness and harshness and began to use the system to quietly improve his life.