After the tragic death of his mentor, Zan Maochang, Fang Kun honors his legacy by becoming a dedicated archaeologist. As the tomb attracts attention from the archaeological community, he is invited to participate in its exploration, where he reunites with his former lover, Luo Qing. Their renewed investigation sparks controversy and catches the interest of artifact criminals, prompting Fang Kun, Luo Qing, and Qi Dacang from the public security bureau to confront various challenges in protecting cultural heritage.