Jasper Jin finds an amethyst ring, making him appear a peerless beauty to men. When his sister Jade Jin disappears, he cross-dresses to find the truth. He meets Lila Hale, disguised as a man. They, in double disguise, investigate cases. They uncover mastermind Lord Yong, who, grieving his late wife, uses dark sorcery, abducting women to resurrect her. After battles, the conspiracy is exposed. Jasper Jin meets the Truly Virtuous Person, the ring falls off, freeing him.