Ten years. It has already been ten years since Ji Hyun has been searching for the one who holds the key. Ji Hyun’s life was filled with pain, bruises, and curses. Because of her abusive parents, the innocent little girl became afraid and fragile. She was forced to live a life that she doesn’t want. But, just like what she was told before, she continues to follow her own dre

After years and years of searching, Ji Hyun and Jungkook finally found each other by chance. Day to day, Park Ji Hyun suffered trying to break down the wall that her parents created. She was afraid to stand up until her Dark Knight came. Jeon Jungkook, the one who held the key for more than 10 years, one again, came to her rescue and he continues to do so overtime. He vows to make her happy.  

Just one more day is all he needed. One more day to be with her. Even a one-second glimpse of her would be enough for him. It was about to be all over for Jungkook until he was given a chance to change the future. He can change his future into something better. He can change Soo Jin’s future. He wouldn’t have to have the pain that has been kept in his heart anymore.