A mad doctor uses his powers of telepathy to control a beautiful young girl. The survival status of the film is presumed lost.

It's 1865, Fiodor in St, Petersburg is reluctantly supporting his dead wife's family, when he meets new love in the form of Anna and a new life beckons escaping away and traveling Europe.

Many incarnations of the Doctors and their old companions are taken out of time and deposited in the Death Zone on Gallifrey. There, they must battle the Master, Daleks, Cybermen and Yeti in order to reach the Dark Tower and discover the Tomb of Rassilon.