Sister, I Am the Empress!

Su Tangyue killed her younger sister Su Jin'er. Both women then found themselves back in the period before either was married. Su Tangyue took possession of the marriage invitation and married He Zhiyuan. The place she gave up, entry into the imperial palace, went to Su Jin'er. Su Jin'er recognized the arrangement as a trap. Recalling her birth mother's last instructions, she secured her standing as a legitimate daughter along with her dowry before going in. At the palace selection she was named to a low rank and was later raised to consort. Other women in the palace moved against her repeatedly without result. She exposed the schemes worked against her and cleared herself of the accusations. It also came out that the person who had saved the emperor years earlier was her. The empress dowager and the empress lost their positions. Su Tangyue's married life at the He household went badly.