Song Yang, a poor student, has two personalities. During the high school entrance examination, his second personality broke out and he was successfully admitted to Moyang No. 1 Middle School.
He met Shen Tong, a top student, and the two traveled back to ancient times due to an accident, but they actually traveled through the same person!
In order to help Bai Jian fulfill her wish, they went through hardships and traveled many times before finally completing their mission. The relationship between the two gradually became subtle, but soon they were faced with the crisis of separation...
Intention: If you are a bad student... Then you are a bad student (=_=)