Oseam

Oseam (Korean: 오세암) is a 1990 South Korean film directed by Park Chul-soo. It tells the story of two orphans based on a legend in which a five-year-old boy sacrificed himself to open his blinded sister's eyes. The general theme deals with reconciliation between Buddhism and Catholicism.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.