시라가 만나 재혼까지 생각하고 있다는 남자가, 산후조리원에 들락날락하는 홍 사장이다?! 마리는 감히 엄마에게 양다리를 걸치고 있는 홍 사장을 가만두지 않겠다고 벼른다.
Ki-sik's graduation gift for Marie unexpectedly gets revealed to his family, sparking lighthearted chaos. Ki-bun, having a change of heart, decides to send Marie to study in the States and calls Min-bo to share the news. Meanwhile, Kang-se pursues a position at the obstetrics department, and Marie curiously asks him about his motivations. At the same time, Si-ra resolves to marry Deok-gil, gleefully indulging in shopping with Soon-ae using Deok-gil's credit card.