Two Viking Gods and sworn enemies fall through a ripple in space time and find themselves in the present day world. Only a young girl, unaware if her powers can find the portal and bring them back....
A meeting in a London bus with jewel thief Lady Christina takes a turn for the worst for the Doctor when the bus takes a detour to a desert-like planet, where the deadly Swarm awaits....
The Doctor faces the end of his life as the Master's plans hurtle out of control. With the sound of drums growing louder, and an ancient trap closing around the Earth, the Doctor and Wilf must fig...