Terry Molloy

Peter visits Cambridge and is drawn into a battle between his old professor and the partner of a recently deceased female biologist. Back in Market Shipborough, with just Lyle and Gloria's son in the office, things quickly descend into chaos, and Simon gets an unexpected call from Beatrice asking him to be her birthing partner.

The Cybermen are hiding in the London sewers and turning humans into semi-cybernetic slaves. On Telos, two slaves make a bid of freedom and find a way to escape the planet for good.

The streets of East London shake under a civil war being fought between the Daleks and the Doctor, forces the Dalek Emperor to reveal himself to be Davros, waging one more battle.