Half-breed Keoma returns to his border hometown after service in the Civil War and finds it under the control of Caldwell, an ex-Confederate raider, and his vicious gang of thugs. To make matters worse, Keoma's three half-brothers have joined forces with Caldwell, and make it painfully clear that his return is an unwelcome one. Determined to break Caldwell and his brothers' grip on the town, Keoma partners with his father's former ranch hand to exact violent revenge.
A zealous, handsome priest, who is the confessor for a convent full of women, encourages the equally zealous abbess of the institution to enforce strict rules on these unfortunate women. At the same time, a particularly disturbed nun manages to poison herself and many of the other novitiates in yet another scandal which is covered up by church authorities.
In 1867, with Garibaldi's forces close to bringing Rome into the Italian kingdom, Monsignor Colombo da Priverno, a world-weary judge on the papal court, wants to resign, disgusted by the violence to which the papacy resorts to hold secular power.
