Lin Wanxing and Lu Chengyu, who have never met despite being arranged blind dates for each other, travel through time simultaneously to the fictional Great Jing dynasty while on their way to meet. They were elementary school classmates, and the bond between their personal keepsakes brings them together again, revealing layers of fate connecting them. Together, they establish themselves in an unfamiliar dynasty, use modern knowledge to improve people's lives, and ultimately come to understand and love each other, creating a beautiful tale that transcends time and space.