Liu Buyi, an orphan in the archaeological field, was excluded from the mainstream academic circles and came to live in a small county outside Wolong Mountain. By chance, he met Hu Renyi, an Orion in the mountains, and together they experienced many years of adventure in Wolong Mountain. Because he once had a chance encounter with the fairy in the mountain, Liu Buyi never forgets her and is single to this day. As everyone knows, everything has been arranged for a long time, and the adventure that truly belongs to him has just begun...