Modern corporate worker Su Xiaoman dies from overwork and travels through time to the 1970s in 1975, becoming the eighteen-year-old pampered youngest daughter of the Su family. After the original body jumped into the river for the scumbag Zhou Yong, Xiaoman wakes up to demand debt collection and cut off bad karmic ties, encountering the cold-faced Fu Jingwei on her way back home. Holding a system mall in hand, while resolving the conflicts among the Su family's sisters-in-law and handling troublesome relatives' matters, she seizes the era's opportunities, handles wire supplies, repairs bicycles, drives the village to build a rice mill, and develops pig farming. Going from pretending to be lovers to generating true affection with Fu Jingwei, they join hands to break cases and counter schemes from various sides. Experiencing a snow disaster factory build, pregnancy, and childbirth, the family reunites in Beijing, staging an era family light comedy growth story.