Xia Zi Xing and He Yao Tian are childhood lovers. Two years ago, On Zi Xing's eighteenth birthday, the two met to climb a mountain. Unfortunately, an accident occurred causing Yao Tian to lose his life. Xia Zi Xing has been sad ever since. One day, she meets Lei Hao Yang. His warm, cheerful, and optimistic personality begins to melt the ice around Zi Xing's heart. Just as she begins to become ready for a new relationship, He Yao Sen shows up. He is Yao Tian’s younger twin brother. Zi Xing heart becomes overwhelmingly stuck between the two. (Source: MyDramaList)