本剧改编自少年热血漫画《虎X鹤妖师录》，故事以虎子和晓轩两个人的视角，展现了一群少年为了梦想，为了爱和责任，在泪水欢笑中拨开乱世阴霾，拯救天下苍生的故事。 本剧以虎鹤之交，情谊相守为窗口，看热血少年们在逆境中龃龉前行，在绝境中触底翻盘，有态度、真情感，诠释了“男人至死是少年”的纯粹初心。

In his youth, Li Bai witnessed the tragic Battle of Broken Leaf City, embarked on the path of seeking fair power with the teachings of an old master who saved the world and his teacher Pei Yi. Entering Chang'an for the first time, with no ambitions and pity, Li Bai, who was recommended by Anxi Dufu to enter the government with poetry and literary talent, turned out to be a night marcher to fight against evildoers. Unexpectedly, the conspiracy of blood and rain is waiting in the dark, and the mystery in the alchemy is so heavy. Can the sleeping Chang'an be saved from danger? Can Li Bai grow up to be a real hero in the fight against the bandits?

At the end of the Yin Shang Dynasty, King Zhou was tyrannical and the people were in desperate straits. The God of Heaven and Shen Gong Bao wanted to take advantage of the chaos to destroy the mortal world by using the Ten Thousand Immortals Formation. In order to fight against the evil forces, Jiang Ziya gathers Yang Jian, Nezha and other immortals to join forces to save the mortal world.