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 five years old, Lee Dong Cheol witnessed the death of his father. From then on, he promised to seek revenge on the man who caused his father's death, Sin Tae Hwan.
But unbeknownst to everybody is the fact that Dong Cheol's younger brother, Dong Uk, was switched at birth with Tae Hwan's son, Myeong Hun. Dong Uk 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 Cheol do when he finds out that his real brother was raised by Sin Tae Hwan and that the brother that was beside him all these years is the son of his enemy?
