Xiao Te and Xiao Fei live ordinary lives, but in the dream world, they transform into heroic protectors of dreams. Alongside dream fairies who each have unique abilities, they fight as warriors against dream demons that seek to corrupt children's dreams and exploit their nightmares. Their mission is to stop these demonic entities from taking over dreams and to protect the imaginative worlds of children. Each episode centers on a child whose faith in their dreams has been shaken by nightmares caused by the demon Mo La. Guided by a professor, Xiao Te and Xiao Fei enter the child's dream, defeat the dream demons, and help restore their dreams. Through intense battles between good and evil, along with lighthearted and humorous stories, young audiences learn about the importance of justice, friendship, and preserving their dreams.