In the vast Dragon Riding Continent, knights and dragons are interdependent and perilous. Lin Sheng'an, a young man from a humble background, befriended the dragon Sold by chance and was involved in a storm that swept the world of humans and dragons. Side by side with the dragon warlock Elena and his mentor Lieutenant General Wright, facing the threat posed by the evil black dragon knight Ciro Night Shadow, Saint Ann must find his own path in the game of growth, family, friendship and power. They travel through the dragon realm, reveal family secrets, mediate disputes between humans and dragons, and finally lead the knights and dragons to work together to break the barriers and establish a new order. The story line is advanced in multiple ways, humorous and compact. After going through hardships and dangers, peace finally comes, and all characters face self-transformation.