The Tale of Nokdu S01 E11 Yul-Mu Knows Nok-Du's Secret

"Mischievous gisaeng in training has a suspicious mother."

Yul-Mu finds out that Nok-Du has been pretending to be a woman all this time and that Dong-Ju has been looking out for Nok-Du. Yul-Mu wants to know if Dong-Ju has feelings for Nok-Du. And Nok-Du tells Dong-Ju that he will make her fall in love with him.