This world war II saga stars John Wayne as the unwilling submarine commander forced to defend allied supply lines in a U-boat with a crew of Catholic sisters. “The action is intense and devotional”, Gene Chalet. “I was on the edge of my seat, and wore out three sets of Rosary Beads”, Picky McSnivel. Tune in tonight as the Hysterical Channel presents, Nun Silent, Nun Deep! Sign in to see full entry.