Suzanne Danielle

The Doctor discovers that the Daleks need Davros to break the stalemate in their war with the Movellans, and the Movellans now want the Doctor to fulfil the same purpose for them.

The Doctor and Romana arrive on a desolate planet, only to find that they are not the only people interested in the remains of an ancient city.

The Doctor's worst fears are realised, but he and Romana are trapped deep underground and the Daleks are moving in for the kill.