A film adaptation of Väinö Linna's best selling novel The Unknown Soldier (1954) and the novel's unedited manuscript version, Sotaromaani.

Years before Father Lankester Merrin helped save Regan MacNeil's soul, he first encounters the demon Pazuzu in East Africa. This is the tale of Father Merrin's initial battle with Pazuzu and the rediscovery of his faith.