Wang Zhaoyi and the others, already showing signs of fatigue, were somewhat disappointed, but they still tried to comfort him. "It's fine. At worst, we'll work a little harder and stay up all night."
But that was not foolproof either. After all, the four from the Old District had come to Yanjing under the pretext of promoting their TV drama and building connections with the military. If they shut themselves indoors without stepping out on their very first day in the capital, it would only arouse more suspicion.
But if they went out during the day and monitored the room at night, there would be far too little time. Forget three days—even thirty days might not be enough to sort things out.
As everyone wrestled with the problem in silence, the Brain AI inside Zhang Xianyang hesitantly spoke up. "Um... when I built the internal network for the secret base, I quietly left a backdoor in the system. It's completely secure. With your Earth's current technology, there's no way anyone could detect it. If you want to transfer files, you can send them through that backdoor. I guarantee it'll be completely undetectable. No one will be able to trace it."
Zhang Xianyang listened with suspicion and instinctively asked, "Why would you put a backdoor into the system?"
The Brain AI fell silent for a while before saying, "My previous master used to do that whenever he built a system. After doing it for so long, it simply became a habit."
Zhang Xianyang did not know whether it was an illusion, but he seemed to catch a trace of sorrow and nostalgia beneath the Brain AI's calm, rigid tone. He silently sighed.
In truth, he knew nothing about the Brain AI. He did not know where it had come from, why