这是一部在生存与毁灭间行走的战争电影。在战争废墟的慷慨悲歌中，年轻的红军战士洪启辰接到军令，必须在48小时内炸毁敌人的弹药库。这是一条赴死的军令，他开始在危机四伏的群山里集结战友，带领伤残的同泽和敌人殊死搏斗。同时，洪启辰还经历着战友们对于为何赴死的拷问，和大家相继死去的困境。
影片用中国诗性电影美学讲述了中国1935年一次富有革命忠诚的军事行动，将残酷幻化于诗意，共同参与一次具有使命感的向死而生。

A'e, a widow approaching seventy, lives with her unmarried son Shi'an. When her recently divorced daughter Shining returns home with a child, an invisible wall settles over the family. One cold winter, A'e is swindled while trying to buy herself a cashmere sweater — and the incident cracks open the old house's hidden grief, forcing each member to face what they have long buried.