The Doctor and Lucie go glam when the TARDIS makes an unexpected landing in 1974. Slade, the Sweet and Suzi Quatro are Top of the Pops — and brother-and-sister duo the Tomorrow Twins will soon be joining them, if Arnold Korns, a starmaking Svengali, has his way. But will their dreams turn to dust at a service station somewhere on the M62, besieged by a pack of alien monsters?