It is set in the world of immortality and revolves around the "Two Pearls of Yin and Yang". Kunlun Xu Yazheng Sword Cultivator Xiao Lin and Yunmengze Free Wild Cultivator Chu Yi met because of the mission to eliminate evil spirits, and were involved in the Xuantie Sect's conspiracy to seize the pearl and control the world. From their differences in ideas when they first met, to traveling side by side through the Hidden Mist Forest, searching for the Valley of Forgotten Worry, and fighting against the Xuan Iron Sect, they finally resolved the crisis together, gave up the honor of their sect, and traveled around the world of immortality with their companions, composing a chivalrous and tender fairy tale.
