Woo Jin and Cho Rong see Sun Hee taking the trash out. Woo Jin is shocked to see Do Hee dressed in such comfortable clothes, but Cho Rong covers for her and tells him that it's her mom, Sun Hee. Inside the house, Sun Hee has a difficult time pretending to be Do Hee and often mixed up her role. Meanwhile, Kang Min has found his scapegoat and looks for the right time to take action.
