When he was a child, Minhyun had nobody to lean on. His days were filled with darkness.
That is, until he met Yoona. After they became friends, he smiled for the first time in a long time. Every night, he felt excitement in his chest for the next day to come. She brought the foreign feeling of happiness in his heart and was able to heal his loneliness.
However, the cold reality of this world separated the two children. One becoming darker than he once was, and the other struggled to make end's meet.
After fifteen years, the childhood friends meet again as adults. Yoona becomes a university student, while Minhyun overtakes his father as the CEO of MH conglomerate, one of the biggest companies in the world.
With newfound enemies and cold betrayals, would the two be able to find love?
But most importantly of all, will they be able to help each other heal the demons of their pasts?