A tale of cat lovers, the social circle they inhabit and the power struggles between them.

A hot day by the Thames - very hot for some Deptford children. When they and some dockers spot a 'prize' in the river, the race is on between the rival factions to win it.

Roy and Jean's happy life is shattered by Jean's sudden illness and actually finding a doctor who can help her.

The adventures of The Doctor, a time-traveling humanoid alien known as a Time Lord. He explores the universe in his TARDIS, a sentient time-traveling spaceship. Its exterior appears as a blue British police box, which was a common sight in Britain in 1963 when the series first aired. Along with a succession of companions, The Doctor faces a variety of foes while working to save civilizations, help ordinary people, and right many wrongs.