The train to the courtyard has departed. Passengers, please take your seats; the doors are welded shut—no getting off. Want to eat melons until you're full? Why did He Yuzhu's father, He Daqing, run away? The mystery of the deaf old woman's identity. Yi Zhonghai's secret meeting with Huai Ru under the moonlight. Why did Yushu insist on calling her sister-in-law? The time traveler, Li Feng, decides to flap his wings and clear away the fog bit by bit. Hold on tight, we're leaving!