Candle in the Tomb: The Weasel Grave
Episode 4
S1 E4:
In the 1980s, when middle-aged Hu Bayi packs his belongings for one of his adventures, he finds an old photo, which brings his memory back to his college days in the 1960s. He then reminiscence about his first adventure that led him to become a tomb-expert, together with a mysterious girl and his two best friends.