The serpent comes to the woman with a question: “Has God indeed said?” His first attack is to make her doubt God's word, and his second is to make her doubt God's goodness. Eve sees that the fruit is good for food, pleasant to the eyes, and desired to make one wise. She eats, and gives also to her husband, and he eats.
Their eyes are opened, but not in the way they hoped. They know they are naked, so they sew fig leaves together and make themselves coverings, and they hide from the presence of the LORD among the trees of the garden. Sin always brings shame and hiding.
Then God comes walking in the garden and calls, “Where are you?” God is not lost — He is seeking. Adam blames the woman, and the woman blames the serpent. God pronounces judgment, and yet in the very middle of the curse He speaks a promise: the seed of the woman will bruise the serpent's head. Christians have long called Genesis 3:15 the first gospel — the first promise of the Redeemer, fulfilled in Jesus Christ.
God makes tunics of skin and clothes Adam and Eve, covering their shame. He sends them out of Eden and places cherubim and a flaming sword to guard the way of the tree of life. Paradise is lost, but grace has already begun its long journey toward the cross.