A long time ago, there used to be more than a hundred students in Shue He (literally means "Snow River") Primary School. Now, there are only five students left. These five students came from three families, the Chais, the Kwoks, and the other, Gan.
The brother and sister from the Chai Family are called Yu Wen and Yu Min. They lived at the opposite bank of the river and went to school by boat every day. They lived with their grandfather as their parents were working overseas and their grandmother had passed away. Grandfather believed that their grandmother who had passed away will transform into a "spirit worm" that had tail with flickering pink light. Grandfather would always go out alone at night to look for grandmother's "spirit worm", making them very worried. Yu Min loved her younger brother, but she was also jealous of him. Her brother seemed to be happier than her.
The Kwok siblings lived next to the school. Both the boys were great badminton players, while their father was the chairman of the school. The parents of Kwok Family took good care of the five students, treating them like their own.
The Gan Family lived next to the Kwok Family. It is a single-parent family. The only daughter, Gan Chia Chia had no father. Her mother was a forest artist, and she loved Chia Chia very much. Chia Chia was clever and beautiful, a loner and aloof. Yu Wen was her best friend, but she could not get along with Yu Min.
Shue He Primary School was forced to move due to the low enrollment. However, those five students did not want to move. All of them had a dream, that was bring honour to the school and to make it well known within one year, so that the school could be retained. All of them tried their best even making sacrifices. Their brightest moments were recorded in this book.