The Doctor leads a mission to the Ogron home world to apprehend the Master and rescue Jo.
The Doctor reveals the plan to provoke war to the Draconians but the Master escapes.
The Doctor and Jo are the Master’s prisoners.
Accused of being a spy, the Doctor is sentenced to imprisonment on the Moon.
The Doctor realizes someone is provoking a war between Earth and Draconia.
The TARDIS lands inside an Earth spaceship in the far future which is attacked by Ogrons.