The Master arrives on Earth at a circus run by a man named Rossini and steals a dormant Nestene energy unit from a museum. He reactivates it using a radio telescope and uses his hypnotic abilities to take control of a small plastics firm run by the Farrel
Can the Doctor, now in his fourth incarnation, recover from his post-regenerative trauma to save the m.youlady.cc Earth from Think Tank and their plot for world domination?
