London, 1938. In the suburbs of the city, a young housewife has become the eye in a storm of chaos. In Alma Fielding's modest home, china flies off the shelves and eggs fly through the air; stolen jewelery appears on her fingers, white mice crawl out of her handbag, beetles appear from under her gloves; in the middle of a car journey, a turtle materializes on her lap. The culprit is incorporeal. As Alma cannot call the police, she calls the papers...