Amidst the relentless aerial bombardment of London during the Blitz, the staff of the BBC struggles to maintain the veneer of normalcy required to broadcast the Nine O'Clock News. The narrative follows a disparate group of employees living and working within the confines of Broadcasting House, where the boundaries between professional duty and personal survival blur. As the building becomes a target for enemy aircraft, the characters must navigate bureaucratic absurdities, shifting romantic alliances, and the constant, looming threat of destruction. Fitzgerald employs a detached, observational style to capture the peculiar atmosphere of a workplace operating under the shadow of imminent death.

This novel is widely regarded as a masterclass in economy and precision, characteristic of Fitzgerald's late-career style. Critics often highlight her ability to evoke the specific, claustrophobic tension of wartime London without resorting to melodrama. The work is frequently praised for its sharp, unsentimental character studies that reveal the absurdity inherent in institutional life during a crisis. Readers often note that the narrative's strength lies in its quiet focus on the small, human details that persist even when the world outside is falling apart.