Legend has it that the heart is where the human soul is... When a person's heart is transplanted into another person, that person may replace that person's soul and become the owner of that body!
An unexpected blood donation made her involved in a cruel family battle. In order to get revenge, he got deeper and deeper... But in the end he got lost in that person's tenderness.
So how will he choose between love and hatred? Should we give up hatred and have love, or continue to give up love and continue revenge...