Driven by the sound sources, all the Zombies were following the script the Survivors had set, step by step.
It was a huge piece of good news, but the good turn didn't last long before things reversed as Zombies started breaking out one after another.
There was no helping it. No matter how thick the emergency exit door was, under that kind of brute shoving—especially with hundreds of Zombies ramming it together—getting breached was only a matter of time.
All of this had been anticipated by the Survivor Squad; it's just that once the door went down, the variables would shoot up. At the very least, they'd lose control of the situation.
Right now they could only hope the Zombies wouldn't find where the sound source was planted too quickly.
Even as he thought that, Tang Xiaoquan knew things would never go as smoothly as he imagined.
