The sermon explores the concept of incorruptible salvation through three incorruptible things found in 1 Peter. First, believers possess an inheritance in heaven secured by a lively hope rooted in Christ's resurrection. Second, redemption was purchased not with perishable wealth but with the precious blood of Jesus, fulfilling the Passover lamb imagery. Third, the believer is born again through the enduring Word of God. The message emphasizes that only the innocent blood of Christ can satisfy divine justice and pay the debt of sin, urging listeners to personally apply this sacrifice to their hearts.