The Zygon shapeshifters on Earth begin a revolution to live with their true forms... and plan to conquer the planet to achieve their goal.
The Doctor has disappeared, and both Missy and Colony Sarff are looking for him. When planes freeze in the sky above modern-day Earth, UNIT calls on Clara to help in the search.
Moriarty embarks upon what may be the crime of the century, but breaking into H.M.P. Pentonville, the Tower of London, and the Bank of England is only the start. Sherlock must discover what his greatest foe is up to and stop him, but his reputation, and even his life, come under threat.moreless