Su-ji and U-ri
Confronting The Truth (1x118)
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Sun-young finds out that Doo-ri is pregnant and can't come to terms with the fact that Yoon-ja's son is the father of the baby. Meanwhile at Haedeul Foundation, Na-young starts her first day of work, and U-ri and Su-ji find out that U-ri's DNA sample used in the test Ma-ri ordered actually belonged to someone else.