Carrie's War is an adaptation of a 1973 children's novel by Nina Bawden, set during the Second World War and following two evacuees, Carrie and her younger brother Nick.
A young woman marries a gentleman farmer who may have murdered his first wife.
While visiting the island of Skua, reliable Tim and his blind sister Janey are joined by a waif-like "witch" named Perdita in an effort to foil a gang of jewel thieves.
