The sermon explores the narrative of the tenth and final plague in Egypt, interwoven with the institution of Passover, emphasizing God's sovereignty and power in delivering the Israelites. It highlights God's promises to favor the Israelites and protect them, while demonstrating his just wrath against Pharaoh and the Egyptians for their oppression. Through the recounting of the plague and subsequent exodus, the message underscores God's character as almighty, jealous for his glory, just, and merciful, ultimately reassuring listeners that He actively intervenes to protect and rescue His people, mirroring His care and deliverance through Christ.