Britbox TV crime series based on the Agatha Christie novel of the same name. Vicar's son, Bobby Jones, and socialite Lady Frankie Derwent go on a crime solving adventure to uncover the secret behind a dying man's last words which were 'Why didn't they ask Evans'? Starring Richard Dixon, Morwenna Banks, Hugh Laurie, Amy Nuttall and Alistair Petrie.