The Outside World of Longyou Grottoes

Fang Bai, a 30-year-old young scientist and archeology enthusiast, escaped from a blind date arranged by his mother. When he visited the Longyou Grottoes, he encountered a straight line echo between the Big Dipper and the Longyou Grottoes. He accidentally opened a time and space passage and traveled to Gumen, the land of Chu State before the unification of the Qin Dynasty in 252 BC. What interesting things will happen between modern people and ancient people? In order to travel back to modern times, Fang Bai pretends to be a magic stick and fights wits and courage with the ancients. Did Fang Bai finally return to modern times?