The Doctor and the miners fight to reclaim Peladon from the Ice Warriors.
Commander Azaxyr and his Ice Warriors are revealed as traitors, in league with Galaxy 5.
The Ice Warriors have taken control of Peladon, so the Doctor plans to defeat them.
The Doctor attempts to expose the fraud of Aggedor’s ghost.
Chancellor Ortron sentences the Doctor and Sarah to be punished by Aggedor.
The Doctor makes a return visit to Peladon some years after his previous visit.