C371 Farewell

Gu Zhancheng said seriously, "He suddenly appeared in Gu Sect last night. No one saw the messenger."

" Did you check his fingerprints? " Gu Zhanbei's heart tightened. He didn't expect someone to know about the secret contact point of Gu Sect. What was even more terrifying was that when the letter appeared there... No one saw the messenger.

"It has been checked, but there is nothing