The Doctor escapes Lady Adastra by jumping down the pit into the only metal mine on Chloris, there he encounters a astrologer that was thrown into the mine by Adastra and is still alive. Meanwhile Romana is coerced by Lady Adastra to reveal the secret of the giant egg like object.

Erato is now able to communicate and the deadly results of Adrasta's betrayal is disclosed. Erato's ship has been sending a distress signal for the last 15 years of his captivity and his brethren back home have put a terrible retribution for Adastra's world in motion.