A drama about two families and the dark secret that they keep between them. Kang Ji Hwan is from a wealthy and influential family. He meets and falls in love with Seo Dan Bi. However, Dan Bi is from a poor family and their families disapprove of their relationship. Ji Hwan's younger brother, Eun Hwan, and his wife, Soo Ah, have been trying desperately to have a child of their own but have been unsuccessful. When Dan Bi enters the Kang family, she is already pregnant and this fact causes tension between Dan Bi and Soo Ah. The tension between the two daughter-in-laws affects the two brothers who have always had a good relationship. Lee Mi Jin, Ji Hwan's first love, reenters his life with the intention of breaking up his relationship with Dan Bi. She knows a deep, dark secret that could affect both families. How will Mi Jin use her knowledge of the dark secret to break Ji Hwan and Dan Bi apart? What lasting effects will this have both families? What's the dark secret?

After their parents' divorce, Jang In Ho took care of her younger brother, Shin Ho. In Ho is a radio PD who meets a man with the same first name as her. Lee In Ho is talented singer and composer and is also divorced. He has a dark past as his father committed suicide after his business failure. When they first meet, they don't get along with each other but as time passes, they begin to fall for each other.

Na In Jung struggles with her love between the rather cold and rebellious Yong Ki and a successful businessman, Soo Hwan. Kang Yong Ki is a pop culture artist. He was separated from his first love, Jo Ann, and still carries the wound that he suffered from their relationship. His half sister is Joo Ran who is married to Soo Hwan. Soo Hwan begins an affair with In Jung but he only has ambition for the CEO position of Yong Ki's father's company. Soon after he discovers that his ambition does not fill the emptiness that he has inside and realizes he needs In Jung. But In Jung and Yong Ki have already fallen in love with each other. Will In Jung go back to her first love or stay with Yong Ki?

A story about love and heartbreak, sadness and self-preservation.

A naive, cheerful albeit, somewhat of a recluse writer, Han Ji Eun (Song Hye Gyo) is swindled out of everything she owns. Not by strangers, but her best friends! Stranded in China, she is determined to get home with the help of an actor, Lee Young Jae (Bi). She borrows money from him after coming up with a clever lie and plans to pay him back after landing in Korea, only to find that all which is precious to her has been sold. In an attempt to get her possessions back, she has entered in a contract marriage with Young Jae for one year. It is quite simple, until strong feelings start to develop. Everyone around them test the "love" Young Jae and Ji Eun have for one another.

In spite of it all, Ji Eun manages to be humorous and endearing - even when her heart is breaking.

During their childhood, Dong-ju and Gi-tae are both abandoned by their real parents. In the orphanage, they grow up like brothers and become best friends. Ji-su transfers to the school, where Dong-ju and Gi-tae attended there. But at the same time, they both fall in love with her. While trying to get the ocarina, Dong-ju is caught in the river and is presumed drowned. A Japanese couple adopted him after he was being drowned in the river, Dong Ju became a heir to the corpotate throne. Gi-tae takes Dong-ju's place in Ji-su's affections and later become a couple. Twelve years later, Dong-ju returns to Korea as a Japanese gentleman, but his feelings for Ji-su begin to develop and his friendship with Gi-tae begin to unravel.

"I can't fly without Young-Chae...because it's impossible to fly with only one wing.""Byung-Soo is mine. He has always been mine ever since we were born.""There are neither victims nor assaulters when it comes to love.""If I knock that little girl down as you wish...then would you come to me?"

There’s Byung-Soo and Young-Chae who have grown up together ever since they were little. They seem to share everything, not to mention their dream so in order to together make their dream come true, they enter the same film company.

And there’s Ina who is the successful owner and the president of the film production company. She also has Hee-Soo beside her but they are not desperately in love with each other and lead their own private lives. They just occasionally go out and sleep together. But all of a sudden there comes this young and lovable couple and somehow she’s not that pleased to see them. Why? This young couple seems to be such full of life and they’re in love! She has missed all that just in order to come up where she’s now. She is totally feeling at loss now and she just can’t stand this feeling. She asks Hee-Soo, "Take Young-Chae away from Byung-Soo."

Source: mbcpro.co.kr