In ancient Shenzhou, the Huaxia Dynasty and Tushan Demon Kingdom have been in constant conflict for thousands of years and are irreconcilable. Zhang Kuangyun from Huaxia and Bai Binglan, the Sky Fox Princess from Tushan, met due to a misunderstanding. In order to find out the details of the enemy country, Bai Binglan lurked beside Zhang Kuangyun and became his follower. With the gap in identity, the collision of ideas, and the growth of emotions, as he explored step by step, Zhang Kuangyun gradually discovered that he originally thought that his aunt's family was slaughtered and his mentor was killed in the mountains, which were just isolated accidental incidents. Unexpectedly, under the reeling of the cocoon, a huge conspiracy that had never been seen before gradually surfaced in the sword energy and blood and fire...