It's a big day at Christophe et Cie, a small couture house off Regent Street. Mr Bevan will announce which of his staff he is sending to France to be general manager of a new branch in Deauville. Inspector Charlesworth and Sergeant Wyler have a murder enquiry on their hands. Richard Harris's thrilling play is based on Christianna Brand's debut crime novel.7 women, 3 men