The magic of the night train: headlamps ablaze, passengers boarding after sunset and arriving in new cities at dawn. For Monisha Rajesh, the unique thrill of sleeper trains inspired a new journey around the world. From sipping pisco sours aboard the Andean Explorer to retracing the original route of the Orient Express, Moonlight Express takes us on an unexpected, at times hilarious adventure - and drops us back at the platform before sunrise.