Sword Dance Across the Sea and Song of Bailan

The Sword Hidden Man is a martial arts myth in the Nine Realms. No one knows where she comes from, and no one knows where she is going. She once challenged the three giants of the spiritual realm and hundreds of thousands of allied forces from the spiritual realm with her sword, and finally left in blood! Since then, the sword-hide man has retired to the world. But in the Nine Realms, there is a dashing heroine - Bai Lan. However, the disputes between rivers and lakes will never end... Having traveled across nine realms for two thousand years, when she meets a young actor who can only dance, what kind of changes will it bring to the world?