Past, present and future collide, as the Doctor, Clara and their Indian allies struggle to unravel a mystery that has been millennia in the planning! What secrets are hidden by the Scindia family, a dynasty whose powerful roots trace back over a thousand years? What strange genetic modifications fuel the death cult of the Thuggee? And how does a humble Mumbai pickpocket figure into these world-changing events? An unmissable epic for the newest incarnation of the Doctor!