Chinese movie

When the future empress Wu Zetian's two courtiers die in a mysterious fire, she gets Di Renjie, a former detective and rebel, released from prison to solve the mystery of the fire.

A man looking for the release of a long-time prisoner takes a police officer, his daughter, and a group of strangers hostage.

In the city of Suzhou, the demon seized the rule, the mage protected the people, and opposed the demon clan, but overnight, with the unidentified millennium green snake emerged, the monsters died mysteriously, and humans were also panic-stricken. The new mage Fan Hai shot down the demon, but unexpectedly discovered the secrets of the monsters encircling the millennium snake demon. For a time, the wind of Suzhou City was surging, and the terrifying conspiracy hidden behind "peace" surfaced.

On the surface, Saya is a stunning 16-year-old, but that youthful exterior hides the tormented soul of a 400-year-old "halfling". Born to a human father and a vampire mother, she has for centuries been a loner obsessed with using her samurai skills to rid the world of vampires, all the while knowing that she herself can survive only on blood like those she hunts.