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.

Cultural relic expert Chen Youxi assembles a team to venture into the mysterious Insect Valley in search of the legendary Lingxiao Pearl. Along the way, he crosses paths with Ding Xiaoming, a biologist. After surviving attacks from those who have guarded the treasure for generations, the team makes a chilling discovery, Ding Xiaoming has his own agenda for the pearl! Can they survive his deadly betrayal and protect the priceless artifact?