The French government is asking Gustave Eiffel to design something spectacular for the 1889 Paris World Fair, but he simply wants to design the subway—until he crosses paths with a mysterious woman from his past.

Romain Duris
as Gustave Eiffel

Emma Mackey
as Adrienne Bourgès

Pierre Deladonchamps
as Antoine Restac

Armande Boulanger
as Claire Eiffel

Andranic Manet
as Adolphe Salles

Alexandre Steiger
as Jean Compagnon

Philippe Hérisson
as Edouard Lockroy

Jérémie Petrus
as Edmond

Jérémy Lopez
as Maurice Koechlin

Frédéric Merlo
as Georges
CinemaSerf
Romain Duris turns in a creditable enough performance but otherwise this is a rather lacklustre mix of romance and engineering that veers way too much to the former than the latter. The narrative tries to run the twin threads of his younger years - where he builds a bridge and falls in love with "Ad...