When General Jiang Xu returns to the capital after eight years to investigate military corruption, he enters a strategic marriage with a strong-willed noblewoman, Ming Tan. As they navigate political intrigue and work to protect their families, an unexpected romance gradually blossoms between them.

Modern teen Qin Fang, born into a renowned swordsmanship family but lacking skill, is transported to the Qin Dynasty. Forced to survive in a brutal world, he embarks on a journey of growth. Along the way, he meets Meng Yu, an orphan from a rival tribe who secretly protects him and ultimately becomes his sword spirit.