In the late 1920s, Cai Zekang, from a prominent Ningde family, moved to Shanghai to study at Tongji University while secretly seeking Communist Party connections. After confirming his membership, he adopted the alias Cai Wei and was tasked with establishing a radio station in the Eyuwan Soviet area. There, he set up communications for the Red Fourth Front Army and trained new operators, using his mathematical skills to provide vital intelligence that supported the Red Army's efforts during a critical period.
In 1977, childhood friends Yang Chunxue and Liang Maicha dream of taking college exams together, but Chunxue is forced into marriage due to a family crisis, prompting Maicha to leave home. After enduring hardship, Chunxue finds a new beginning by starting a sewing business in her village, while Maicha returns with brick-making skills to revive the local kiln. Together, they transform their poor village into a provincial model of economic growth.
Luo Shu, determined to save herself despite her hardships, and Qi Menglin, an ambitious adventurer, team up to solve cases. As they seek justice and unravel complex mysteries, they also explore the possibilities of true love and freedom.
The protagonist, Juxiang, is a very ambitious rural girl. However, her destiny is not to live easy life. After graduating from high school, she was recommended to go to university, but someone replaces her. She is fierce and capable, and is leading her natal family, but she is squeezed out by her unmarried sister-in-law. In order not to affect her brother's marriage, she declared in front of the villagers that she would marry herself within fifteen days. They asked her to meet Li Dazhu, but the man is too honest and almost useless. At a glance, he fell in love with capable Li Erzhu. Later, Dazhu shows more and more generosity, sincerity, and down-to-earth nature, while Erzhu's narrow-mindedness and impetuousness proved that Juxiang still misjudged him. After Juxiang gots married, she is not satisfied with the status quo of family poverty. She works hard to make the family live a better life.