Modern people travel through the late Warring States period and are born in a small village of Qin State in the 16th year of the Qin Dynasty. For the past sixteen years, I have endured and survived, and I have seen that in this troubled world, human life is like a piece of grass. The male protagonist Zhao Xuan, thanks to the care of the villagers, made a marriage contract with his beloved Zhou Yue'er, but postponed the wedding due to his mother's death. With thousands of years of experience and knowledge in hand, he protects his loved ones and neighbors in troubled times, and rises step by step.