The Tale of Lady Ok

The Secret Organisation (1x4)

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Goodeoki rejects Yoon-gyeom’s marriage proposal and reveals that she is slave-born. Yoon-gyeom also reveals one of his secrets to make Goodeoki feel safe, and they end up getting married. Later, Goodeoki finds out that Yoon-gyeom has been a part of an organisation that helps children who have nowhere to go. Chief Lee hears about the organisation and accuses them of planning treason.