Engineer Yin Xiaojian finds himself transported to a parallel world, the Great Wei Dynasty, specifically to Jiuli Village in Yunze County. There, he becomes a lowly, nameless craftsman with a disgraceful status. At 27 years old, the original owner of his body is still single, and according to the strict laws of the Great Wei, he should be executed. However, to his surprise, he is soon "gifted" a wife by the government. Using modern technology and thinking, he begins to rise through the ranks, eventually uncovering the shocking truth: he is of imperial blood. Despite this revelation, Yin Xiaojian enjoys his free-spirited life and chooses to leave the throne to his sister, retreating with his four pregnant wives to live a carefree life in another land.