Princess Shen Zheng of the Shuo Kingdom jumps from a tower as her kingdom falls and transmigrates into the body of Shen Zheng, the eldest daughter of the modern Shen family. By a twist of fate, she marries Gu Yunting, a general from the Shuo Kingdom who has also transmigrated and is the second son of the Gu family. They marry first and fall in love later, enjoying an ever-sweeter romance. Together, they devise a plan to defeat Gu Yunxiao, the eldest son who covets the Gu family's business empire. They successfully take control of the Gu Group and begin a new life of mutual support and shared success.