Mike Yates' accusation of betrayal vs. the Doctor's need to maintain secrecy for strategic success

The Doctor uses a tense staircase encounter to brief Ace on the Hand of Omega’s history and capabilities, transforming what could be academic exposition into a high-stakes strategic tutorial. He …

Ace erupts in the school corridor, publicly exposing Mike as a traitor for sharing knowledge about the Hand of Omega with an unspecified recipient. The accusation shatters the fragile unity …

The Doctor rushes in as Ace explodes with accusations against Mike, calling him a traitor working for the Daleks. The confrontation throws Gilmore into confusion as Mike is dragged away …