Aurora asks Yeonshil to move in with her to help care for her parents and get a preview of life with a sister-in-law. Meemong tries to persuade Jamong and Shimong to give Aurora a chance, but the two, still disapproving of her, devise a plan to drive her away from Mama. Daesan gets into a car accident on his way back from the factory.
ママに連れられてホテル内の高級カラオケに出かけたミモンたち。酔ったミモンは廊下で偶然会ったグムソンを彫刻のモデルにスカウトする。また、日に日にママに惹かれていくロラはママの写真を両親に見せて、彼の魅力を語る。
