A moment of impulsiveness turns Gao Zhilei into a "stay-at-home" individual, but he never expected his life to take a turn in the opposite direction. A series of changes compel him to take on his responsibilities as the head of the family. When life's burdens hit hard, he must confront himself and start anew.
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.