Zhang Ze is a censor appointed by the new emperor to purge the remnants of Empress Jiang's faction. He is ruthless and feared, having executed many officials, including Bai Xun, on dubious charges. He made a veiled threat toward Zhou Jingyun regarding his marriage, implying that Zhou might be waiting for an imperial betrothal. This threat prompted Zhou to hastily remarry. Zhang Ze is the catalyst for the central conflict.
