Oh! My Emperor

Episode 18 (1x18)

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The North Dang Party calls Ha Bing and asks why he came to Hwa Chin, and Ha Bing replies that he came for peace. Nak Bi-bi plays a play to get her marriage permission, and the Empress Dowager accepts that it is the will of the Empress Dowager. Blinded by jealousy, Byeok-ryeon attacks Nakbi-bi, but is killed by North Tang-hyuk's counterattack.