Professor George Litefoot: the eminent pathologist who advises the police in some of their grisliest cases. Henry Gordon Jago: the master of ceremonies at the Alhambra Theatre. These are two very different men from contrasting strata in society who became firm friends and collaborators after their adventure with the Doctor and Leela battling the evil Weng-Chiang. Dr Tulp has masterminded a deadly scheme, Jack Yeovil and his murderous gang plan to live forever, and only Jago and Litefoot can stop them...