The Original TARDIS Fam land in 1400's Mexico. Ian finds a rival, Susan avoids a unwanted husband, The Doctor gets a girlfriend, and Barbara learns the first rule of time travel. You can not change history not one line.
The story of the Squaddie and the Time Lord and the emotional triangle with the School Teacher. All that and Skovox Blitzers and Courtney the disruptive element.
The TARDIS Crew is given the challenge of choosing between death by herd of village pensioners or death by cold star. The Dream Lord has arrived!