Li Tian is the leader of the grand thieves in Tang. In their search for the kylin horn, they become embroiled in the political turmoil brewing among supporters of the previous dynasty and the royal court.

Under the reign of Emperor Xuanzong, the nation and its people prospered but hiding behind the veil of peace are different factions scheming behind the scenes. It is said that the legendary kylin horn has appeared in the world. Four individuals with unique magical abilities form a team as they embark on a journey to find the treasure.