It tells the story of Tang Tian Shi, the newly appointed Deputy Secretary of Qingshan Town, Xin Lan, a female news anchor of a radio and television station, and Shi Quan, a college student returning home to start a business

This work is composed of six stories, namely "New Year's Eve Dinner", "Youth Prosperity", "Very Summer", "Longing", "Youth Forever", "Laiwan Duck Blood Fan Soup", the overall name is " "The Agreement", which means that "building a well-off society in all respects by 2020" is a happy agreement between the party, the country and the people. 　　 In the context of this big "appointment", each story is composed of a series of small agreements. Some of these agreements are with the protagonist and himself, some with old friends, some with his family, and even with strangers. The six stories emotionally involve family affection, love, and friendship; the protagonist's age ranges from teenagers to old age; the regions range from urban to rural areas, from farmers to workers, to white-collar elites. "Promise" uses a rich perspective to show that people are fulfilling their "promise" happiness with themselves, with others, and with the country.

In the Nanyang region in the 1930s, Ouyang Tian Qing and Kuang Cai Yun traveled from Guangdong to Southeast Asia to make a living. Tianqing became the "samsui woman" of construction site labor and became the leader of the sisters. She was admired by both the rich Jia Fu and the poor A Le. Cai Yun accidentally became acquainted with the young Hu Yaozu and became the nanny but was repeatedly bullied by the Hu family. Yao Zu drove her away to protect her and went to study abroad. A Le took the initiative to give up his feelings for Tian Qing and went to serve as a soldier during the Japanese invasion. The Japanese forces forced Tian Qing and her company to build the shrine. On the day of completion, A Le, who joined the rebels, led the people to rescue Tian Qing and burned down the shrine. Cai Yun, who suffered various changes, also waited for the return of Yao Zu.

When the dark evil immortal descends from the heaven, and the mysterious underground ghost palace was revealed, a strange herb named the Black Tea suddenly took Chang'an City by storm. However, no one knows whether it is a healthy medicine or one that could harm people. Cases of missing brides in Chang'an City began occurring one after another, which seems to be inextricably linked to the black tea... Ling Feng, general of the Jin Wu guards was tasked to investigate these cases. On his journey, he meets his strongest opponent in Su Wu Ming, the disciple of Di Ren Jie. The two of them work together to solve these mysterious cases.