I've Been Bewitched by Love - S1.E17

Ma Ri agrees to help Hae Ri by meeting In Wook as Ha Kyung, the director of the gallery. While Jung Won goes to visit his mother to tell her about what he had done with Ha Kyung face, Ma Ri assures herself that she isn't Ma Ri anymore. She meets In Wook as Ha Kyung, but In Wook's keen sense tells him otherwise.