Ascending the Ninefold Tower

At the flower-viewing banquet, someone recognized the bracelet I was wearing and hurried to call over my half-sister. "Qingshi, isn't that your mother's famous plain-silk bracelet?" "Why is she wearing it?" I was confused. I was Song Qingshi, so why were they calling my half-sister Qingshi? And shouldn't my mother's keepsake be on my wrist? A flicker of panic crossed my half-sister's eyes, but she quickly regained her composure. "Sister, I could overlook you stealing my other things, but the plain-silk bracelet was left to me by Mother. Give it back!" The noble ladies gathered around, looking at me with contempt. "How dare a concubine-born daughter steal such a precious keepsake from her legitimate mother? Who gave her..."