Magic story
Yan Qing: Junior high school history teacher, from a poor family, who worked his way out of the mountain village through hard work
Li Ailian: The only survivor of the invaders' experiment, she has the ability of cell regeneration. Her age is permanently fixed at 16 years old. However, she lost her memory and was buried underground in the Northeast. She was discovered by Yan Qing.
Purpose: Don't forget the national humiliation, we should strengthen ourselves