Autumn, 1895. Paris is as chaotic as it is glamorous, with industry and invention creating huge wealth and terrible poverty. One morning, an anarchist boards the ill-fated Granville to Paris express train, determined to make her mark on history.

Autumn, 1895. Paris is as chaotic as it is glamorous, with industry and invention creating huge wealth and terrible poverty. One morning, an anarchist boards the ill-fated Granville to Paris express train, determined to make her mark on history.

Aboard the train are others from across the globe: the railway crew who have built a life together away from their wives, a little boy travelling alone for the first time, an artist far from home, a wealthy statesman and his invalid wife, and a young woman with a secret.

Truths are revealed and relationships forged as the train speeds towards the City of Light and a future that will change everything . . .