One is a confident and independent young woman from the 21st century,
One is a beautiful concubine who was unhappy in the Taiji Palace during the Zhenguan period.
The fate of both of them is equally entangled with the beautiful princess of the previous dynasty. The identity of the former princess suddenly passed away in the prime of life. A smart, stubborn woman from another time and space, burdened with such a double "stand-in" identity, how will she live? Will a soul from other time and space bring any disturbance to the Tang Dynasty, which is worshiped from all over the world...