The Doctor and Romana's temporal mission to recover the Key to Time segment intersects with Ribos' political instability and the Graff's tyrannical rule

The Doctor, Romana, and Garron are forcibly detained by the Graff’s guards who mistake them for interlopers. Garron attempts to defuse the situation through false humility, but the Graff’s violent …

Romana and the Doctor exploit Garron's injury to extract information about Unstoffe while subtly aligning their cover. In a moment of apparent casual conversation, Romana steers Garron toward revealing his …