Monsieur N.
This film covers the last years of the Emperor's life, imprisoned by the British on St Helena, a remote island off the west coast of Africa. Napoleon retains a loyal entourage of officers who help him plot his escape and evade the attentions of the island's overzealous governor, Sir Hudson Lowe.
Starring Philippe Torreton, Richard E. Grant, Jay Rodan, Elsa Zylberstein, Roschdy Zem, Bruno Putzulu, Stéphane Freiss, Frédéric Pierrot, Siobhan Hewlett, Peter Sullivan
It's a drama and thriller movie, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Ireland.