Old foes and new allies appear as the maverick renegade Time Lord arrives on a benighted, desperate world.

The Doctor and Lucie go glam when the TARDIS makes an unexpected landing in 1974. The Tomorrow Twins will soon be headlining on Top of the Pops, if the starmaking Svengali Arnold Korns has his way. But will their dreams turn to dust at a service station?

Lucie Miller's been headhunted to join the staff of Hulbert Logistics, a respectable blue-chip firm in Telford. But wasn't she made for better things, like travelling by TARDIS through time and space? The Doctor, meanwhile, has been fired...

What links a disintegrating spaceship to a posh garden party, where a wealthy couple are celebrating their love for each other in style? Gatecrashers the Doctor and Lucie think they know the answer...