Xiao Qi, a widow from the border area, was born with no life marks and was regarded as a sign of premature death. However, during the autopsy, half of the Prime Minister's waist badge was found from the bones and he was forced to return to the capital. A Xu, an orphan from the previous dynasty, wanders between yin and yang, and he is her only support in the yang world. The two team up to fight with each other's bones, and use the underworld to find out the wronged souls.
The current supervisor, Meng Yuanji, uses the "Perfect Fate Model" to control the dragon veins of hundreds of officials and turn the people of the world into a fixed destiny; and the master of the Tianji Pavilion is trying to erase all free variables. When the massacre at the Guanxiangtai happened again, Xiao Qi discovered that he was actually the largest "uncalculated variable" in this huge model.
From looking at people in a broken house to observing the wind and clouds of the place, to abandoning appearances and asking questions about one's heart. When the people in the city had fate marks on their eyebrows and turned into puppets on strings, Xiao Qi led the children to demonstrate in public that "the appearance can be reversed even if it is born from the heart." In the end, he used his formless body to win back people's hearts from the Tianji chess game.
The magic number is the blade, and the human heart is the light. This is an ancient suspense legend about breaking fate and finding the warmth of humanity in cold calculations.
Purpose: To explore the game between fate and freedom, emphasizing that "people's hearts cannot be calculated." It opposes fatalism and advocates that even in an arranged life chart, individual will and emotion still have the powerful power to break the rules, conveying praise for the resilience of life and the warmth of human nature.