Plot Summary

March 31, 1889 - Gustave Eiffel (Romain Duris) sits in his office, atop the newly completed thousand-foot (300-meter) iron tower he has designed and constructed - the Eiffel Tower.September 1886 - Eiffel receives an award for his ground breaking design for an iron skeleton to support the Statue of Liberty. He is made an honorary citizen of the USA in recognition for his achievements. Claire (Armande Boulanger) Gustave's daughter. Gustave's wife is dead and Claire wants to marry the young kid who is working in Gustave's office. Afterward, he considers what his next construction should be, for the 1889 World's Fair in Paris. Two of his employees, Maurice Koechlin (Jérémy Lopez) and Émile Nouguier (Damien Zanoly), propose a 200-meter (656-foot) steel tower, but he turns down their proposal, favoring a Metro system for Paris. In order to get publicity for his enterprise, he contacts an old friend, journalist Antoine De Restac (Pierre Deladonchamps). At a society party, Eiffel meets Restac's wife, Adrienne (Emma Mackey). They have a strange, instant connection. Transfixed by her (& her challenge to build something audacious for Paris), Eiffel suddenly announces he will build a 300-meter steel tower, shocking the other guests. It is clear that there is a history between Gustave and Adrienne.Bordeaux, 1860 - While building an iron bridge over the treacherous River Garonne, Eiffel dives in to rescue a construction worker who fell into the river. Eiffel demands wood for safety scaffolding from his superiors, but his request is turned down. Eiffel goes to Bourgès, a wealthy local businessman, to ask for the wood. Eiffel meets Adrienne, Bourgès' headstrong daughter. Impressed by having secretly witnessed Eiffel's heroism on the bridge, she speaks up in defense of his request for the wood and secures it for him. Adrienne invites Eiffel to her birthday party. At the party, he is awkward, but she finds his aloofness attractive. He kisses her, then storms off, embarrassed. She shows up later at his office, saying she's attracted to him. Eiffel doesn't believe her and sends her away, so she throws herself into the river, to spite him. He rescues her and they make love and begin a passionate affair1886 - Eiffel presents his plans for the tower to the judges for the competition. There are some concerns if the ground is too soft for this mammoth structure, but Gustave presents a new technique to provide a foundation for the tower near the riverbed. He explains how the tower will be built and the fact that it is wind resistant and impervious to lightening strikes. At the ceremony to announce the winner, as his name is announced, Eiffel and Adrienne instinctively hold hands. Restac sees this. Eiffel begins construction of the tower. At a garden party, he dances with Adrienne and asks her to meet him at a cheap hotel in the country. She refuses. As construction continues, the workers threaten to strike. Adrienne realizes Restac has become suspicious of her. She searches his things and finds a cartoon belittling Eiffel's tower. Out of jealousy, Restac is using his position as a top journalist to sabotage public opinion against the tower. Restac subtly warns Eiffel about this. With uncertainty clouding the whole undertaking, the workers at the tower go on strike. Bordeaux, 1860 - Eiffel learns Adrienne has left town and runs to her house, where her father tells Eiffel she was just stringing him along, and that she never wants to see him again.1886 - Adrienne shows up at the cheap hotel. She reveals to Eiffel that the reason she left him 30 years ago was that she was pregnant with his child, and her parents forbade her to marry Eiffel, or ever see him again. She raced from the house to be with him, but as she tried to escape over the fence, she fell and was impaled on a spike, losing the baby and almost dying. Eiffel realizes Adrienne has always loved him and they make love. When the banks threaten to pull funding for the tower, Eiffel finances the tower with his own fortune. Seeing Eiffel is betting everything on the tower, the workers cease their strike. Gustave is a master engineer and uses an ingenious system of sand and air based hydraulics to ensure that the 4 pillars of the tower align at the first level. Adrienne visits the completed first level and she and Eiffel kiss above the rooftops of Paris.Restac, who married Adrienne and nursed her back to health after her family abandoned her, is aware of her affair with Eiffel. He tells her he will ruin Eiffel's reputation and destroy the tower's chances of completion if she doesn't end the affair. Adrienne tells Eiffel she has agreed to leave the city with Restac, to protect Eiffel and his tower.Furious and powerless, Eiffel, orders the tower's construction to be completed with rivets instead of bolts, so it can never be torn down. He pushes his team to exhaustion and finishes the tower in time for the World's Fair. At the grand opening, Eiffel sees Adrienne in the crowd. After they briefly make eye contact, she leaves, knowing she has sacrificed everything so his masterpiece can be completed. Returning to the opening scene, Eiffel writes in his journal in his office atop the tower. He sketches atop a diagram of the tower, adding letters beside it, to form the name Adrienne. It suddenly becomes apparent that the tower is in the shape of the capital letter "A". Eiffel has made the tower a permanent monument to their love. He walks out and surveys the city, which sprawls beneath him.