Space Station Hamlyn is under siege. Thousands of small metal creatures are flying through space, sent by silver warriors to burrow inside the station. The crew's only hope is a slightly scruffy-looking stranger, with a recorder and a mysterious blue box . . .
to be added
- Although they do not directly appear, it is indicated that the Second Doctor is travelling with Jamie McCrimmon and Zoe Heriot at this time.
- This story was based on The Pied Piper.
- The audiobook of this story was read by Nicholas Briggs.