Ed Brown is a retired gangster with a sense of humour which includes getting his four greatest enemies at one another's throats. Simon helped to put him in jail the last time and intends to repeat the favour, providing Brown allows him to live to do it.
The Doctor is in a pit with a deadly creature. And Adrasta has plans for Romana and K-9.
The Doctor has come face to face with a massive green creature. Adrasta goes into the mines to kill the monster. But everything is not as it appears…
The truth about the creature is revealed. But its imprisonment may have already set in motion a terrible revenge.
Posing as an Examiner from Earth, the Doctor warns the scientist, Lesterson about the dire consequences of reactivating the dormant Daleks.
