Su-ji and U-ri
Dreams Are The Gateway To The Unconscious (1x100)
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Yoon-ja sees Do-young texting Doo-ri and thinks that he has a new girlfriend. Jang-soo visits Sun-young to tell her the truth but gets into an argument with Woo-chang. After Jang-soo leaves, Sun-young consults Woo-chang on what to do with the situation involving Jin-tae, and he suggests she tell Ma-ri that Jin-tae was the man known as Jung Soon-jung's cousin.