Yoon Seok Joo is a producer who abandons his wife, Seo Young, to attain success. They have a daughter together but he later betrays Seo Young when he marries a rich man's daughter, Lee Jung Min. Lee Sang Min is an owner of a film company and is a new film director. He is also Jung Min's half brother. Sang Min will be a rival to Seok Joo in work and in love for Seo Young. Yoon Hyun Joo lost her dad at a young age and went through serious hardships and became a successful architect and is Seok Joo's sister. This drama is also about the lives of five siblings.

Cast
* Kim Dong Wan as Yoon Seok Joo
* Han Eun Jung as Kim Seo Young
* Hwang Jung Eum as Lee Jung Min
* Jo Dong Hyuk as Lee Sang Min

Extended Cast

* Park Eun Hye as Yoon Hyun Joo
* Hong Kyung Min as Yoon Tae Joo
* Jang Jung Hoon as Yoon Chan Joo
* Seo Hye Jin as Yoon Jin Joo
* Yoon Yeo Jung as Yoon Min Ja (Seok Joo's aunt)
* Cha Jin Hyuk as Park Chang Hoon
* Yoon Hye Kyung as Yeo Choon Sa
* Park Geun Hyung as Lee Sung Chul