One week after his mentor's funeral, Liu Yuchen suddenly received a letter from his teacher. Because of this letter, Liu Yuchen embarked on a journey to explore the ancient tomb. When he came to the small border town of Kubuta in Inner Mongolia, he saw the group of people mentioned in the teacher's letter...
There is such a cave under the desert yellow sand? ! Is this the destination of his trip? ... The scene in front of me is truly incredible! What does the teacher miss all his life? Could it be...