The Doctor meets Belinda Chandra and begins an epic quest to get her back to Earth. But a mysterious force is stopping their return and the time-traveling TARDIS team must face great dangers, bigger enemies and wilder terrors than ever before.

The Doctor and his companion, Ruby Sunday, travel across time and space, having adventures from the Regency era in England to war-torn future worlds, from the dawn of human history to distant alien worlds. Throughout their adventures in the TARDIS – a time-traveling ship shaped like a police box – they encounter incredible friends and dangerous foes, including a terrifying bogeyman and the Doctor's most powerful enemy yet. And everywhere they go, they find adventure, terror, fun, chases, joy, and monsters.