When the TARDIS is diverted to Draconia, the Doctor and Jo fall foul of the hawkish Lady Zinn. War with Earth seems imminent. The Draconian military are on high alert and rumours of a super-weapon are rife.

Execution, assassination, intrigue and a mysterious faction known only as ‘The Eyes’ are all part of a deadly mission the Doctor and Jo have no choice but to accept. But as they fight to survive, the peace of the entire galaxy hangs in the balance.