When he saw her for the first time, he felt an inexplicable sense of familiarity. She, Lin Yoona, was so unique that it made people want to protect her. So much so that he wanted to take her place as his own. But like the little bird in the forest, she yearns for freedom. How can she be willing to be manipulated by others? But she didn't know that he was just protecting her, but she didn't understand. Two people love each other, but fate always plays tricks on people. What will be the fate of the two from now on, and where will the emotions in their hearts go...