Unfinished Task (a.k.a. I'll Give My Life) 1959
In this tearjerker, a morally disparate father and son attempt to reconcile their differences. The father is a major construction magnate who has dreamed of his son taking over the lucrative family business. The father’s heart is devastated when the son decides to become a missionary after graduating with an engineering degree and a great rift is formed between them, one that does not heal until a terrible tragedy ensues.