The unrestrained swordsman Huo Zhanbai seeks medicine for a friend's child and encounters the pharmacist Xue Ziye. Over eight years of daily interaction, they progress from having their own convictions to deepening understanding, mutual redemption, and a promise to meet under a plum tree the following year. However, due to the responsibilities they bear, they find it difficult to express their love, leaving behind a regret of eternal separation. Amidst the joyous toasts in the snowy night and a farewell across a thousand miles, a poignant and unforgettable missed opportunity unfolds—a love destined to be unable to endure, depicting a tale of redemption and letting go in a life-and-death romance.

漫画家卫枝意外卷入丑闻，被公司没收了笔名和作品版权。消沉的她偶然看到一段单板滑雪视频，被滑雪选手无畏的精神打动，决定以滑雪为题重新开始创作。她前往北山雪场采风，邂逅了教练单崇。在跌跌撞撞的滑雪练习中，卫枝磨炼出了不服输的意志，也喜欢上了教练单崇。单崇曾是职业单板选手，却因妹妹残疾、自己受伤，在父母强烈要求下忍痛退役，心中却始终藏着对单板滑雪的热爱。目睹卫枝面对热爱的事业不服输的倔强与冲劲，单崇决定重回训练场，为心中的热爱与荣誉而战。最终，卫枝赢回了名誉与作品版权，单崇以金牌回报了所有的汗水与期待，两个年轻人也走到了一起。