Injector Standoff 2 -

So, for the second story, there could be a resolution to the first conflict but with new challenges. Maybe the antagonists have come back, or new enemies have emerged. Let's imagine that "Injectors" are a type of biotech device, maybe for enhancing human abilities. In the first story, there was a battle between a corporation and a rebel group. In the second story, maybe the conflict continues, or the society has changed after the first story's events.