The prince of Eye, Jiangli, is a spiritual master with a cold personality.
He stole She Zhi's demon blood at the order of his father, but was poisoned by the "Night Butterfly" of his country's priest Yue Ma, but was rescued by Wu Huixue, the daughter of Yue Ma...
Night Butterfly is a secret technique of Shezhi, which is mysterious and currently no one can solve it. Jiang Li only has 49 days to live, and Wu Huixue, who has been studying this secret technique, is determined to save him. The two work together to find the antidote in another world, and the story begins...