A story of  two groups fight over the title for Seoul's biggest gang. Among all, two names are the most famous, Beast and Super Junior. But Super Junior is the top in Seoul, and Beast will do anything to bring them down.  

They say first love never dies. But what if he did die? When all everyone wanted was for you to move on, you wouldn't. Suddenly you met his cousin. He was like him. His attitude, his love, his care. Everything about his cousin reminds you of him. Will you love him for himself or because he relives the person whom you want him to be?