As the Daleks search for new weapons to defeat the Mechanoids, they happen upon a lone satellite hanging in the void. The Saucer Commander is suspicious and soon realises that the rest of the solar system is hidden by an invisible barrier. And the inhabitants of the planet Phryne have good reason to hide from the Daleks: they carry the secrets and histories of one hundred planets, knowledge that the Daleks would wipe out a world to obtain