Dr. Sproul investigates the specific controversy that sparked the reformation—the doctrine of justification by faith alone. He looks into the areas of agreement and disagreement between Roman Catholics and Protestants of the reformation. Further, he looks at the double transfer of Christ's righteousness in exchange for our sins and concludes this section by defining propitiation and expiation.

This sermon is from the Lord’s Day pulpit ministry of R.C. Sproul at Saint Andrew’s Chapel near Orlando, Florida.