2nd Policeman (Cy Endfield)
A life-long mercenary commander and weapons expert is commissioned to train an army for an exiled African leader. But as his conscience finally catches up to him, he is seen as a threat to the powers behind the operation.
Cyberman
The Doctor, Jamie and Zoe return to Earth and become embroiled in the schemes of Tobias Vaughn. They meet up with an old friend, Colonel (now Brigadier) Lethbridge-Stewart, and some old enemies, the Cybermen.
