The Mountains Between Us (1956)

After the death of his parents, Beat Matter grows up with the Escher family. Their son Dominik is his best friend. As a young man, Beat enlists for two years of service with the Papal Swiss Guard in Rome. Shortly before starting his service, he meets Dominik's fiancée Jacqueline at an Alpine festival. He falls in love, even though he knows that Jacqueline is already promised to someone else.