It has been three months since the Hexford catastrophe, and Mike Yates is trying to show strength of leadership to the villagers. But with morale low and supplies running out, it is increasingly difficult to keep his own hopes up. Unless somebody finds them soon, the future looks bleak. So when the TARDIS materialises on the village green, it seems that help has arrived at last. But with two Doctors apparently at large, there is still the small...