A twelve-year-old girl fell into the Qing Dynasty centuries ago in the most ordinary way. If Jiu's obsession is not her fault, then what about Four and Thirteen? If it wasn't her fault that she attracted all the princes to fall in love with her, then what about being so entangled with her? I thought that Thirteen would be my guardian for life, but on the eve of their wedding, I discovered that my love for Si had already changed. I missed her so much that I wanted to let go and turn around, but I discovered a bigger secret...