Ten-year-old Yang-zi steals her mother's diary to find out the truth about why her mother abandoned her.

The 12-episode series follows Wang Xiang, an ex-train driver who had worked his whole life at the steel plant in a fictional small town in North China, as he attempts to solve the mystery behind a brutal murder during the autumn of 1998. For more than 20 years, the murder has haunted him and other people who worked at the steel plant as they struggled to come to terms with the loss they’ve experienced.

In the 1980s, Gao Jialin, a young man living in Gaojiagou in northern Shaanxi Province,Gao Jialin was not defeated. He strived to learn new knowledge in accordance with the times, and through the changes of the world, he wrote an extraordinary life story of an ordinary man in the tide of the times.

A winter-summer romance between an 20-year-old girl, He Ran, and a middle-aged man, Xiao Han. They both took a chance on each other; love and passion followed. Where would their story go in a sea of paint and flowers?

It tells a family of three generations of women who stay true to their intentions to serve the neighborhood from the early days of the liberation to the present. Their stories capture the face of youth in each period to showcase the Hutong Culture in Beijing. Tian Zao has been engaged in grassroots work since the early days of liberation. She eventually becomes a leader of the resident's committee and serves the people for 70 years. She participated in catching spies, curbing illiteracy and led the masses to donate handicrafts to the volunteer army. During the era of reform, she encouraged her daughter to succeed her line of work. Tian Zao did not leave her post even after she retired. When she reached the age of 90, her granddaughter has become the new leader of the resident's committee.

The journey of He Xingfu, a small-town woman from Wanjiazhuang who takes on the many life obstacles to help and protect her hometown.

Amidst political conflict and precariousness in 1930s Beiping, a wealthy businessman becomes captivated by a talented Peking opera performer.

On a rainy night in the Beidahuang forest area in 1969, the small train brought another group of educated youth from major cities across the country. Yang Bingkui, the stationmaster of Baihualin Railway Station, looked at the young and youthful faces and had a premonition that the arrival of this group of people would bring about earth-shaking changes to Beidahuang.