The Sarkos Cluster is a distant set of galactic systems a very long way from Earth. It's filled with a diverse range of species ranging from small, intelligent humanoids with telekinetic abilities, to massive, scaled, bipedal lizards not unlike the crocodiles we know today. All these species face the same threat, though only a small handful of people are aware. Parasitic brain slugs known as the Swarm are on the move and their plans are hidden...