With the TARDIS working perfectly, the Doctor and Peri decide to take
a holiday. But where? A long-forgotten piece of equipment in the TARDIS
storage locker sends them to the peaceful and idyllic continent of
Tranquela - home of the Doctor’s old friend Ravlos.
But the land where they emerge is far from peaceful. A hate ray is
regularly sweeping Tranquela, turning its inhabitants into savage
beasts, and there is only one place it can originate - the planet’s
other continent, home of Tranquela’s old enemies, the Amelierans.
Or is that the only place? Because somewhere far above the planet
events are watched by the slimy super-salesman, Mordant, who has his own