Mother of Mine
Episode 80
S1 E80:
Sun Ja is still stressed out by the problem between Mi Ri and Tae Ju, that she gets sick upon waking up. The chairman wants to see Mi Ri for reasons that are beyond her control, and she's advised to look for In Suk. She first visits her grandmother, where she gets recognized as In Suk's daughter. Mi Sun decides to quit her job, and she explains this to Sun Ja, who isn't very pleased by the news.