In a border town forgotten by time, Lin Yu, a young and curious man, lived an ordinary life. However, a mysterious letter broke his tranquility. The letter came from a distant relative whom he had not contacted for a long time. The letter mentioned a legend about family secrets and an ancient tomb hidden in the mountains.
Lin Yu was deeply attracted by this mysterious story and decided to embark on a journey to find the ancient tomb. He invited his friends, the witty and brave Chen Xue and the strong Zhao Gang to go with him. The three of them followed the vague clues in the letter and entered the inaccessible mountains. Start a journey of discovery….
