The drama will be about two men whose fates are crossed from the very first day that they were born. Both men were born in the same hospital. When he was a teenager, Lee Dong Chul witnessed the death of his father. From then on he promised to seek revenge on the man who caused his father's death, Shin Tae Hwan. But unbeknownst to everybody is the fact that Dong Chul's younger brother, Dong Wook, was switched at birth with Tae Hwan's son, Myung Hun. Dong Wook grows up to become a prosecutor and vows to help his brother seek revenge. But what happens when they find out that they're not brothers? What will Dong Chul do when he finds out that his real brother was raised by Shin Tae Hwan and that the brother that was beside him all these years is the son of his enemy?

Two men, one woman as they climb for the summit of a mountain. Tired and weathered, a bond forms amongst the three. But, can they get to the top ...

Clever high school girl Ye Won falls into an unlikely relationship with the wealthy and arrogant Eun Seong.

The king of the school, Eun Seong is quick with the fist and insufferably rude, but Ye Won realises that beneath his tough exterior, he is struggling to overcome the shadows of his past.

Based on Guiyeoni's novel.

Yoo Min-woo's (Song Seung Heon) first love was Soh Eun-hye (Shin Ae). No love was greater than the love between these two...until Eun-hye get's into a car accident. Eun-hye dies...leaving one thing left behind...her heart. Shim Hye-won (Son Yeh Jin) has suffered from a terrible heart disease ever since childhood. Miraculously she finds that she will be obtaining a heart from a donor, Soh Eun-hye.

Suffering from the pain of a heartache, Min-woo goes to Paris to study...the memories of Eun-hye still rest in his heart. When he returns to Korea, fate takes a turn and brings Hye-won and Min-woo together. When the two first meet, Hye-won's heart (Eun-hye's heart), oddly beats faster when she is around Min-woo.

Park Jung-jae (Ryu Jin) is Hye-won's boyfriend. Park Jung-ah (Han Ji Hye) is Jung-jae's sister and she meets Min-woo in Italy and falls for him...

Hye-won doesn't know why or what she feels when she's with Min-woo...and Min-woo feels guilt toward Eun-hye, because the feeling of love rises once again as he continues to see Hye-won...

A story on how a righteous lawyer trying to set up his law firm with friends. Some may be harbouring different motives or reasons to help him out initially. They are influenced by him to take up worthwhile cases in the end.

Yoon Joon-suh (Song Seung Heon) and Yoon Eun-suh (Song Hye Gyo) always thought they were siblings. Eun-suh is in fact from a different family because she was switched at birth, but no one knows about this fact until one day, when Eun-suh is in a car accident. Her blood is tested only to discover that her blood type is completely different from her brother's proving that they are not related at all.

Three high school students - Sung-hwan. Woo-sup and Jin-won are on their way back from a birthday party for Sung-hwan's father. Several minutes later, a huge lump of cash and a bloody corpse crash on top of their car. With only a split second to decide, there is no option left for them... Meanwhile, a dedicated young detective named Ji-hyung, suspects Sung-hwan, Woo-sup and Jin-won of hiding the money, and watches every move they make. In the meantime, the real thieves and a ruthless gang are looking to get their money back. After the case gets terminated, Sung-hwan, Woo-sup and Jin-won secretly go to the place where Sung-hwan stashed the money. They look inside a pit to discover a new surprise waiting for them.