Prelude to Infinity! All of the Origin Sites go active as the Earth begins to communicate with something much more ancient than human civilisations. The Terror scientists of A.I.M. unveil the S7 program. Plus, the High Evolutionary stakes his claim on the Children of the Sun. Hyperion learns the true cost of the decisions he's made at the Origin Site in the Savage Land. And the return of techno-titan Terminus!