Dreaming Back to the Immortal Realm tells the story of Li Hao, who encounters the Immortal Realm in a dream and joins the fairy Qing Rong on the path of cultivation. They endure tribulations, expose the Shadow Alliance's conspiracy, and ultimately save the Immortal Realm before returning to the mortal world. Together, they establish the Immortal Realm Guardians to protect harmony between the Immortal and Mortal Realms, creating a legend of love and achievement.