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.
Lin Luxiao possesses exceptional firefighting skills and extensive experience. He is the head of the Special Operations Station on Heping Road in Beixun City. By a twist of fate, he is chosen to become an instructor for a reality show aimed at promoting firefighting knowledge. During the show, Lin Luxiao coincidentally encounters Nan Chu, a dancer he had rescued from a fire years ago. Nan Chu develops a fondness for Lin Luxiao, but he keeps his distance due to the inherent dangers of his profession. The firefighters of different generations collaborate in rescue operations involving fires, earthquakes, and aerial rescues, raising the level of fire safety in Beixun City. As Nan Chu and Lin Luxiao gradually deepen their understanding of each other, they affirm their feelings. Faced with the most dangerous forest fire, Lin Luxiao and his teammates choose to advance against the flames.
As soon as Zhu Yun started college life, the world was completely turned upside down by the intrusion of "bad boy" Li Xun. He was regarded by Zhu Yun as a rich, ignorant and incompetent son, but his real identity was actually a special admissions student who was admitted by the school, and a rare programming genius. After several confrontations, the two have some appreciation for each other. The senior Fang Zhijing made things difficult for Zhu Yun many times, Li Xun took action to protect Zhu Yun, and invited her to join the preparation team he set up to win a major programming competition on behalf of the school.
Wu Yu, a math prodigy, and Tan Jiao, a mystery novelist, fall in love on a cruise but both suffer memory loss afterward. Wu Yu forgets the days following the trip, while Tan Jiao loses nearly a year and a half. After the tragic death of his sister, Wu Yu abandons his promising future to work as a mechanic in search of the truth. In his quest for justice, he crosses paths with Tan Jiao again.