At the beginning and end of the month, when the moon is waning, the sky is dark, and there's no moonlight at night, it's indeed easy to hide one's whereabouts.
Su Xinyi asked a few more questions about the Shu Family before bidding farewell to the old man.
She then visited a few more places and asked different people about the Shu Family affairs. Two incidents overlapped - one being Shu Xuebo's wedding and receiving merchant gifts and the other being the carriage issue. Another person she interviewed gave her more specific details, saying that the one driving the carriage had a white face and no beard.
A white face with no beard ─ that's a eunuch from the palace!
Could it be someone sent by the Empress?
Su Xinyi couldn't figure it out, but this piece of information was crucial.
In addition, Su Xinyi received another piece of information: Xui Yurong, the daughter-in-law of the Shu Family, always went back to her parents' home once a month.