The Name of the Rose

Der Name der Rose is a movie starring Sean Connery, Christian Slater, and Helmut Qualtinger. An intellectually nonconformist friar investigates a series of mysterious deaths in an isolated abbey.
14th-century Franciscan monk William of Baskerville and his young novice arrive at a conference to find that several monks have been murdered under mysterious circumstances. To solve the crimes, William must rise up against the Church's authority and fight the shadowy conspiracy of monastery monks using only his intelligence – which is considerable.