1941. France asleep 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.
Isabelle, Parisian artist, divorced mother, is looking for love, true love at last.
A psychiatric hospital patient pretends to be crazy. In charge of caring for this patient, a caregiver will begin to doubt the mental state of his "protégé".
After the death of his mother, fortysomething introvert Mathieu enters into a second relationship with his high-school girlfriend, Maya.