Eiffel Ending Explained [SPOILER!]

SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!

SPOILERS AHEAD

Eiffel Plot Summary and Synopsis

The government is asking Eiffel to design something spectacular for the 1889 Paris World Fair, but Eiffel simply wants to design the subway. Suddenly, everything changes when Eiffel crosses paths with a mysterious woman from Arun’s past.

Source: Wikipedia (CC BY-SA 3.0).