Cultural relic expert Chen Youxi is afflicted by a mysterious curse. When Mr. Min reappears, the team reunites for a daring expedition into a hidden realm deep within the snowy mountains. As the Lingxiao Pearl unleashes a lethal threat, Chen Youxi turns to an unlikely source, a pair of embroidered shoes, and deciphers the mathematical model concealed within their patterns. With this ancient code, he neutralizes the crisis, saves his friends and the one he loves, and safeguards the relics of a lost civilization.