Jian Xi and Qu Zhiruo are ordinary high school students in A high school. Jian Xi is cold and quiet, with excellent grades, while Zhiruo looks like a gangster but is actually kind and gentle. They thought they were two unrelated parallel lines that changed one day. Jian Xi committed suicide in order to help Zhiruo, but when Zhiruo woke up, she found that time had gone back to the past, and everything started again...
