Mi Yeong, Hye Yeong, Ra Yeong, and Joon Yeong are the kids of Yeong Sil and Han Soo. They seem like the average Seoul family, with the typical Seoul problems, but that all changes when Jung Hui, an actor, and former K-Pop idol, ends up in their doorstep claiming that Han Soo is his biological father. The family goes through thick and thin, one marriage after the other, trying to figure out why their father happens to be strange.
This drama is about a family that lives on the outskirts of Seoul. Byun Han Soo is the father and His wife, Na Yeong Shil is a dedicated, responsible mother to his three daughters and one son including Hye Yeong, Mi Yeong, Ra Yeong, and Joon Young. Suddenly one day, Ahn Joong Hee 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.