The sermon discusses the Gospel of the Kingdom, explaining how it differs from just preaching salvation alone. Guest speaker, Dr. David Nichols, emphasizes that the Gospel of the Kingdom includes both God's reign (spiritual authority) and eventual realm (physical kingdom), with Jesus demonstrating this through healing, deliverance, and miracles. He shares personal testimonies of healing and deliverance from mission work in India and ministry in Minnesota to illustrate how the Kingdom of God manifests through supernatural signs and wonders.