Vodkakiss Stories

In the far future, mankind discovers that we are not alone in the universe. The alien species invades earth, but is stuck to the confines of Africa due to the inability to travel by water or air. The major powers of Earth create a team of humanoid machines to fight alongside a group of the best soldiers in the world to eradicate the threat. But what happens when one of the machines turns out to be more human than machine? What if the aliens are here for a different reason than we originally thought? Are humans even the first beings to live on Earth?