It sneaks up on you. You come in for the gorgeous Light Chaser CG, all that rippling water and silk and mountain mist, and you leave wrecked by a snake catcher who chooses to stop being human. Xuan carving that paper crane and flying Blanca over the valley is the kind of romantic sequence most anime never earns, and it works because he keeps choosing her before he even knows what she is. Verta's contempt for humans isn't just villain noise either, she's the sister watching her family fall for the species that hunts them. And then the ending lands the prequel punch: memory gone, five hundred years passed, an umbrella at the Broken Bridge, and every viewer who knows the old legend feels the floor drop out. Dudou the dog gets more laughs than he has any right to.
Blanca wakes with no memory of who she is, rescued from danger by Xuan, a village snake catcher with his own secrets. As he helps her piece together fragments of her past, an undeniable bond forms between them. What begins as a simple search for answers transforms into something far more dangerous when supernatural factions emerge from the shadows, each claiming dominion over ancient powers that could reshape the world itself. Caught between warring demon clans, celestial conspiracies, and forces that predate human civilization, Blanca discovers her identity is far more significant than anyone imagined. Xuan must choose between his feelings and his obligations as supernatural threats close in from all sides. The film weaves classical wuxia combat with mythological horror, grounding impossible magic and immortal creatures in moments of genuine human connection. What unfolds is a romantic epic where personal discovery collides with cosmic stakes, and where one woman's lost identity holds the key to preventing catastrophic war among beings older than memory itself.