Born with yin-yang eyes, the Knife Peddler for Souls Xiong Yuting makes a living by selling knives and collecting souls through pawned deals. However, she gets arrested by a police captain for promoting "Soul-Taming Knives" at a funeral parlor. As a series of bizarre cases emerge, the two are forced to team up, only to discover that the captain has a thousand-year-old evil spirit sealed within him, and his fate is intricately linked to her soul-pawning contract. A shocking secret is about to be unveiled...
