The plot begins in the winter of 1964, spanning over 50 years, until the comprehensive reform and resurgence of "third tier" enterprises in the new century and era. Against the backdrop of a magnificent era, tell touching stories about the career, family, emotions, and destiny of two generations of "third line" people in Liupanshui, highlighting the construction of the "third line"
The plot begins in the winter of 1964, spanning over 50 years, until the comprehensive reform and resurgence of "third tier" enterprises in the new century and era. Against the backdrop of a magnificent era, tell touching stories about the career, family, emotions, and destiny of two generations of "third line" people in Liupanshui, highlighting the construction of the "third line"