"Sir, please condescend to meet me at Tan Dong A Trading Company this time. It is also for the sake of absolute security, before the end of this activity, I cannot reveal my whereabouts." , to avoid arousing Xu Ruiyang's vigilance, thus causing the exploration work to fall into a passive trap." ,"This time, Kawaguchi-kun and I have secretly summoned all of you to meet at the Shanghai Stock Exchange. The main purpose is to convey the secret plan hidden from the Bureau's 7th Division." the second belongs to the General Headquarters, and also to carry out a secret plan." Mission from the National Defense Department of the Military Department of the Ministry of the Army. I will first explain the underlying plan, participants must leave the Shanghai stock market tomorrow afternoon at the latest, this is also for safety reasons."