Zhao Song, the manager of a modern milk tea shop, died suddenly while working overtime and time traveled to a poor clan in the Northern Song Dynasty, heavily in debt. With his unique marketing skills, he opened an Internet-famous milk tea shop in Bianjing and became rich in just a few days. However, when the business touched the interests of the powerful, and when the Xixia cavalry approached the border, he found that he had to use business wisdom to change the fate of the entire Song Dynasty. Let's see how little people play with ancient times and shake up history with a cup of milk tea!