Martha’s a qualified doctor now, freshly graduated from medical school. She’d expected to take up residency at a hospital, preferably in London to be close to her parents, but instead here she is, head-hunted by UNIT, all because of her connection to the Time Lord known as the Doctor.
They haven’t said anything, but she can’t help wondering if he might have pulled a few strings. He knows people in UNIT, after all.
The thing is, she’s not sure how she feels about any of this. She’d only ever wanted to heal people; she’d never expected to become a soldier.