M Train is a journey through eighteen "stations." It begins in the tiny Greenwich Village café where Smith goes every morning for black coffee, ruminates on the world as it is and the world as it was, and writes in her notebook. We then travel across a landscape of creative aspirations and inspirations: from Frida Kahlo's Casa Azul in Mexico, to a meeting of an Arctic explorer's society in Berlin; from the ramshackle seaside bungalow in New York's...