1x6 - Royal Betrothal

The Magistrate of the Metropolitan Office, Dong Shoucai, conspires with Jiang Mei'er and has Meng Tinghui thrown into prison. Jiang Mei'er orders the prison guards to set the prison ablaze to silence her. At the critical moment, Ying Gua arrives with the Shenwei Army, and only then does Meng Tinghui learn that He Du is actually the reigning Emperor.