When the TARDIS malfunctions, it and its travellers land on Earth at the size of insects. They uncover a murderous plot involving a new insecticide, but how can they stop the crime in their miniaturised condition?
A woman is found murdered in a house along the coast from Brighton. Local detectives Fellows and Wilks lead an investigation methodically following up leads and clues mostly in Brighton and Hove but also further afield.
O desenhista Victor e a datilógrafa Ingrid se conhecem no trabalho. Atraídos um pelo outro, eles começam um caso que leva a uma gravidez indesejada. Apesar do amor não correspondido, eles logo se casam e aprendem a formar um relacionamento.