The escalating tension between the Doctor and Colonel Archer over military authority versus alien expertise, with Archer's institutional pride clashing with the Doctor's unconventional methods.

Calder brews tea in the dimly lit warehouse as the Doctor and Archer arrive, the stale air heavy with tension. Tegan rests unknowingly amid suspicious cylinders embedded in the floor, …

Colonel Archer, desperate for contact to warn of the Dalek threat, encounters two policemen after finding a sabotaged telephone. His urgency turns to horror as he realizes his authority means …