Time and space restorer Shen Qingci was accidentally trapped in the 23rd year of the Republic of China and became the third daughter of the declining aristocratic Shen family in Shanghai. She must repair the destroyed historical nodes before she can return to the future. However, during the execution of her mission, she meets Gu Huaizhou, a new business upstart whose identity remains a mystery. The two worked together to protect the truth of history in turbulent times, but gradually discovered that their encounter was not accidental, but a fateful entanglement that spanned a hundred years.
