After being admitted to Jingsheng High School, Tong Xin fulfilled her original promise with Yi Yuanhua. When they met again, he was already the school's president and had constant suitors, including Zhang Xiaohui, who also caused many misunderstandings. Tong Xin could only bury that love in her heart, not knowing that the person Yi Yuanhua liked was her. At the same time, I also met the arrogant school beauty He Xuanyi, who looks cold and heartless, but is lonely on the inside.
A car accident caused a huge change in her life. When she woke up, she turned into He Xuanyi, and she was lying in the intensive care unit. But she couldn't tell others that she was Tong Xin, so she could only live as He Xuanyi.
Later, Tong Xin died, and she used He Xuanyi's identity to get along with Yi Yuanhua and discovered subtle changes. Just then, He Xuanyi's first love returned. What should she do?