Woo Jin’s older sister and Chan’s mother, Gong Hyun Jung, surprises everyone by dropping by Woo Jin’s place. Worried that his mom would get mad for allowing a stranger to live at their place, the boys decide to lie to her and say that Seo Ri is their housekeeper. However, Seo Ri feels very uncomfortable about lying and tries her best not to be seen by her.
현정의 갑작스런 등장에 우진의 집엔 한바탕 소동이 일고.
우진은 모두가 잠든 그 날 밤, 아무런 말도 없이 사라져버린다.
우진의 행방을 알 수 없는 서리와 식구들은 애가 타는데..
小燦的媽媽賢婷旋風式的回到家，在宇振家引起了一陣騷動，賢婷發現向來沉默寡言的宇振完全變了一個人，她認為弟弟會有如此大的改變是因為書莉，宇振帶著書莉來到藝術中心，讓書莉巧遇十多年前賞識她的申明煥指揮家。
La hermana mayor de Woo Jin y la madre de Chan, Gong Hyun Jung, sorprende a todos al visitar la casa de Woo Jin. Preocupados de que su madre se enoje por permitir que un extraño viva en su casa, los chicos deciden mentirle y decirle que Seo Ri es su ama de llaves. Sin embargo, Seo Ri se siente muy incómoda por mentir y hace todo lo posible para que ella no la vea.
