The Fourth Doctor's strategic manipulation of Lord Borusa and the Time Lord power structure to undermine Vardan control from within Gallifrey's highest circles

Borusa confronts the Doctor in the Panopticon as the Vardans solidify control over Gallifrey. The Doctor demonstrates the invaders' overwhelming power by weaponizing a Vardan guard's energy beam against its …

Leela and Rodan flee the Citadel, exhausted but determined only to have their progress halted by a Vardan hunting band. Their brief respite collapses as a spear lands beside them …

Borusa enters Castellan's office defiant and refuses to acknowledge Vardan authority despite the Doctor's orders enforced by Kelser and Vardan observers. A white beam lashes out, striking Borusa with brutal …