London 1946. An actress is murdered, not just on camera but in full view of a crowded film set. Only six people had an opportunity to administer the poison yet not one of them had a conceivable motive. As Evadne Mount, bestselling crime novelist, discovers, however, all six did have a motive for committing another, earlier, still unsolved murder yet, on that occasion, not one of them had the opportunity . . .

Gilbert Adair has published novels, essays, translations, children's books and poetry. His most recent novel is The Act of Roger Murgatroyd. He is the acclaimed author of The Postmodernist Always Rings Twice. He has also written screenplays, including The Dreamers - from his own novel - for Bernardo Bertolucci.