Death of a Shadow
Dood van een Schaduw (original)
Soldier Nathan Rijckx died during World War I. A strange collector imprisoned his shadow and gave him a new chance: a second life against 10,000 captured shadows. He accepts as his purpose is to meet the woman he fell in love with before he died, Sarah. But when he discovers that she's already in love with someone else, jealousy clouds his mind and pushes him towards a bitter decision.
Watch "Death of a Shadow" from streaming services Mubi, Amazon released in 2012. It's a fantasy and romance movie, and has a rating of 7.2 out of 10 from Imdb which is usually fine for this kind of movie.