After graduating from the Civil Defence Academy, Huo Yan becomes vice-captain of the Fire Rescue Team. A tense rescue mission leads him to meet Yan Lan, an emergency doctor. Though their first meeting is rocky, fate brings them together again during an earthquake relief effort, where their bond deepens under extreme conditions. Back in the city, a virus outbreak tests their courage and commitment as they fight on the front lines.

Meanwhile, deputy instructor Jiang Tong falls for her shy colleague Wang Dayin. Despite his distance and her family’s disapproval, she’s determined to uncover his past, inspiring him to grow into a man of purpose and strength.