This is a story about missed time and reunion. At her most youthful age, she fell in love with him, who shone like a star. He is an aloof academic master with countless auras, but because of a misunderstanding, he missed her most important confession. A few years later, they grew up quietly in their own worlds. She became an independent woman with a successful career, and he became a bright star in the business world.
The arrangement of fate made them intertwined again in a chance encounter. The old relationship was unresolved, and love and hate were intertwined. Can the pain of the past be let go? After reuniting, can they face each other's feelings calmly and heal their past wounds? Can she still give him the promise she made?