Verses 1-5: Divine Appointment and Commissioning. God declares Moses to be as a god to Pharaoh and Aaron as his prophet, establishing their roles in confronting Egypt and demanding Israel’s release. God also reveals His plan to harden Pharaoh’s heart to multiply His signs.
Verses 6-13: The Rod Becomes a Serpent. Moses and Aaron obey God’s commands and perform the miracle of Aaron’s rod turning into a serpent before Pharaoh. Egyptian magicians replicate the miracle, but Aaron’s rod swallows theirs, demonstrating God’s superior power. Pharaoh’s heart remains hardened.
Verses 14-25: The First Plague—Water Turned to Blood. God instructs Moses and Aaron to strike the Nile, turning its waters to blood, killing fish, and causing the river to stink. Despite the clear judgment, Pharaoh’s heart remains unyielding, and the Egyptians seek water elsewhere. Seven days pass after this plague, setting the stage for further judgments.