Jeon Jungkook is the owner and CEO of his company. He is young, handsome, millionaire, has everything anyone could wish for, pursued by everyone who would give anything to get his attention. But he already has his heart occupied by a beautiful man named Kim Seokjin.
They have known each other all their lives, as their parents were naturally friends since their childhood, their friendship would soon turn into something more which led Jungkook to ask Jin to be his sweetheart making her a promise, promising that he would never break the promise.
The promise could not be kept.