The couple Liao Chong and Luo Meijun of Hong Kong's Liao family went on an adventure in Gansu and died unexpectedly.
Their son Liao Ruoyuan suspected that his parents had been murdered and asked Zhang Guozhong and Lao Liutou to help investigate the cause of death.
The descendants of Maoshan once again embarked on an adventure journey.
Can the mystery of the death of the Liaos and his wife be revealed?
Can the mystery of the Taoist legend of immortality that has been circulated for thousands of years be revealed?
Can the national seal and the preface of the Lanting Collection be returned to China: