The train is surprisingly packed for the time of year; only the intervention of the manager secures Poirot a first class berth, alongside an intriguing and glittering company of international travellers. But just after midnight, the Orient Express screeches to a halt, marooned by a snowdrift. And by morning, one passenger is dead…

Murder On The Orient Express, by Agatha Christie, adapted for the stage by Ken Ludwig, is at Chichester Festival Theatre from May 13-June 4.