She is a rising star in the Paris fashion industry, but an accident caused her to travel to a different world, the Eastern Purple Dynasty, and become the sixth princess of that dynasty. The calculations and conspiracies in the palace made her become a substitute bride. The dignified sixth princess became the concubine of a neighboring prince. The prince had no interest in her at all, and the royal princess secretly plotted against her. When danger came again and again, the third prince could always help her avert danger. Who is her true love?