Billy Jack 1971 - Billy is like a Zen Master ex Military
Hair 1979 - Ending will blow you away. Great music and story.
Little Buddha - Finding a reincarnation of a Master
Thunderheart 1992 - He discovers his past life...
Defending Your Life 1991 - Funny take on the after life with some very profound truths thrown in.
Watch these 5 movies and you will be changed!
Lion (2016) is pretty good, you will cry at end. All about love and loss.