Wang Yicai, a vendor selling food that was due to expire, got cancer and could not live for three months. Just because he did too many unethical things, his wife divorced him after she found out that he had cancer, and she also divided half of his family property.
He was about to commit suicide by jumping into the river, but suddenly he got the system and went to ancient times to sell food for the period of time. After completing the task, he could live 5-10 days longer. From this, Wang Yicai embarked on a fantastic journey.