In 1958, special forces soldier Zhang Lie travels through time to an impoverished hunter's family where his father has passed away, his mother is critically ill, and the household is destitute. Facing the oppression of the mountain protection team and the threat of the bitter winter, he relies on his superb skills and survival instincts to take his younger sister into the mountains for hunting, fighting side by side with Hu Ergou and others, step by step propping up this crumbling home and carving out a way to survive in the freezing snow and ice.