改革开放之初，山城重庆特殊的地理环境孕育了一个特殊的行业——山城棒棒军。爬坡上坎，负重前行的三十多年，数十万棒棒大军不仅挑走了汗水浸泡的年华，也挑走了属于自己的年代。癸巳岁末，几个佝偻背影即将道别正在消逝的行业，一名退役中校扛起一根棒棒开始了自己的追寻——辉煌与尴尬，艰韧和无奈，他们的人生无须评说，他们的故事值得铭记。

When a woman who was abandoned at birth because of a genetic disorder sees a child facing the same fate, she finds herself trying to persuade their parents to reconsider and goes to extreme lengths to save the child.