Most likely. Such a statement usually indicates that the story has more to unfold. It could mean new characters, plot twists, or a different perspective that will take the narrative further.
It could. But it might also just mean that the current situation isn't the final resolution within the existing story arc. There could be hidden depths or alternate interpretations yet to be revealed.
Yes, it often suggests that there's more to come. Maybe there are loose ends that need tying up or new developments on the horizon.