This drama is about a family that lives on the outskirts of Seoul. Byun Han Soo (Kim Young Chul) is the father and His wife, Na Young Sil (Kim Hae Sook) is a dedicated, responsible mother to his three daughters and one son including Hye Young (Lee Yoo Ri), Mi Young (Jung So Min), Ra Young (Ryu Hwa Young) and Joon Young (Min Jin Woong).

Suddenly one day, Ahn Joong Hee (Lee Joon) shows up at the household, and declares that he is the son of the family. Joong Hee is an actor who used to be a member of an idol group. He begins to live with them…