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
Lupin III: The First Plot Summary and Synopsis
The iconic “gentleman thief” Lupin III returns in an action-packed, continent-spanning adventure, as Lupin III and his colorful underworld companions race to uncover the secrets of the mysterious Bresson Diary, before it falls into the hands of a dark cabal that will stop at nothing to resurrect the Third Reich.
Source: Wikipedia (CC BY-SA 3.0).