Watch " " Online Free HD Soap2day. Learn how one man reluctantly took on the most powerful institution of his day and won. Martin Luther is credited with expounding a new vision of man's relationship with God and, by extension, a redefinition of man's relationship with authority. Filmed across Europe -- from the rustic rural Germany to the opulence of the Vatican City -- you'll witness the collapse of the medieval world and the birth of the modern age.