Xuan Fengnian was indeed secretly observing Mai Chengxing and Mike.
However, as Ye Chen speculated, he did not enter Buckingham Palace directly, but chose to keep a lookout in the dark outside Buckingham Palace.
This is mainly because Buckingham Palace is crowded with people and has a very complete surveillance system. If no one helps, the possibility of completely hiding from the surveillance is almost zero.
Xuan Fengnian felt that with his own skills, he could keep a close eye on everyone entering and exiting the hotel outside Buckingham Palace. As long as Mai Chengxing and his grandson left, he could follow them all the way.
Xuan Fengnian did not trust Mai Chengxing. On the one hand, he was worried that Mai Chengxing would be passive and slow down in his work and not help him find the mysterious man. On the other hand, he was also worried that Mai Chengxing would take away his credit.
After all, in his opinion, the old guy Mai Chengxing is not a fuel-saving lamp.
So the best solution is to keep an eye on Mai Chengxing secretly. If this old guy dares to do anything behind his back, then he should get rid of him first.
However, Xuan Fengnian did not know that Mai Chengxing had turned against him at this time.
After leaving Mike at Buckingham Palace, Mai Chengxing left Buckingham Palace alone and went to the Du family's old residence according to Ye Chen's instructions.
Xuan Fengnian was very confused. He didn't know why Mike didn't come with him, but considering that a young man like Mike didn't have any real abilities, he wasn't afraid that Mai Chengxing was playing tricks on him to lure the tiger away from the mountain.
So he followed him all the way in a rented Volkswagen sedan.
Mai Chengxing pretended to stay near the Du family's old house for a long time, and took out the compass and talismans for a while. Then he pretended to have gained something, stopped a taxi, and first went to the place where the incident happened.
Forbidden Mountain Tunnel, then turned back to the city and searched for a while before finally returning to the Buckingham Palace Hotel.
Xuan Fengnian followed Mai Chengxing to the Du family's old house, then to the Purple Mountain Tunnel, and also walked around Jinling. He became more and more sure that this old guy must have found some clues.
So, after Mai Chengxing returned to the hotel, he called Mai Chengxing. On the phone, he pretended to be concerned and asked: "Mr. Mai, is there any progress in the matter?"
Mai Chengxing was originally planning to call Xuan Fengnian, but he didn't expect the other party to call him first, so he followed Ye Chen's instructions and said: "Master Xuan, I ran around a lot outside and just came back.
The hotel, your phone number has been called."
Xuan Fengnian asked with a smile: "Oh, Mr. Mai took action, I guess this matter must have made progress. I wonder what the result will be?"
Mai Chengxing said: "To tell you the truth, things have indeed made a big breakthrough."
Xuan Fengnian hurriedly asked: "What kind of breakthrough is there specifically? Is it accurate enough for people?"
Mai Chengxing said with some embarrassment: "Well...Master Xuan, please forgive me for not saying it clearly on the phone..."
Xuan Fengnian said with some displeasure: "There is nothing hard to say about this. Just tell me the clues and I will find that person and kill him. In this way, you and I can return to life like Mr. Su."
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This chapter has been completed!