Lin Mo, a delivery boy, was suddenly involved in a car accident while delivering food on a rainy night. He accidentally traveled to the Xuantian Continent and possessed himself as the concubine of the Lin family. He and his sister Lin Xiaoyu depended on each other for life. While traveling through time, the "Tao Te Ching" he carried accidentally unlocked a mysterious power, causing silver patterns to appear on his palms and gaining the power of gray mist space. His sister is tortured by strange diseases every month, but Lin Mo uses the power of space to save her from danger many times.
As the story develops, Lin Mo discovers that he is actually the last descendant of the Lingxu clan, and behind his sister's strange illness lies the shocking conspiracy of the Nether Palace and the Tianjian Sect. In order to solve the mystery and lift the curse on his sister, he embarked on an adventure journey. With the help of the mysterious cub "Void", he passed through the levels and discovered the truth, writing his own passionate legend in this fantasy world.
