It's 1941 but France is trapped in the nineteenth century, governed by steam and Napoleon V, where scientists vanish mysteriously. Avril (Marion Cotillard), a teenage girl, goes in search of... Read allIt's 1941 but France is trapped in the nineteenth century, governed by steam and Napoleon V, where scientists vanish mysteriously. Avril (Marion Cotillard), a teenage girl, goes in search of her missing scientist parents.It's 1941 but France is trapped in the nineteenth century, governed by steam and Napoleon V, where scientists vanish mysteriously. Avril (Marion Cotillard), a teenage girl, goes in search of her missing scientist parents.