When the Master steals the Time Lords' secret file on the Doomsday Weapon, they grant the Doctor a temporary reprieve from his exile on Earth to deal with the crisis. He and Jo arrive on the planet Uxarieus and become enmeshed in a struggle between an agrarian colony and a powerful mining corporation.
A man who works for 'The Party' (an all powerful empire led by a man known only as 'Big Brother') begins to have thoughts of rebellion and love for a fellow member. Together they look to help bring down the party.
