Salamander has attempted to steal the TARDIS but is sucked out into the vortex. Will the Doctor and his friends share his fate? And what horror awaits them in the London Underground?

The TARDIS materialises on a space beacon, and teh Doctor and his friends find themselves in teh middle of an attack by space pirates. Trapped inside one section with the lock fused, the travellers are blown to the floor as the pirates detonate their explosives.