Lin Xia, a modern social animal, accidentally traveled through time. As soon as he opened his eyes, he was mistaken for an assassin by the cold-faced Prince Jing and abducted into the palace. When hairpins became handicrafts of modern design, and milk tea became a popular item in ancient teahouses, she used her chemical knowledge to blend spices and her business acumen to open a rare treasure pavilion, setting off a storm of change in the backyard of the palace. Faced with the difficulties faced by the concubine and the conspiracy of the third prince, she used her wisdom as a blade to find ways to deal with the turbulent court struggle. And the prince who always protected her in times of crisis could no longer hide the tenderness in his eyes - it turned out that this journey through time was actually a two-way redemption arranged by fate.