Book of Hosea Summary: The Faithful God and the Unfaithful Bride. The book of Hosea is one of the most shocking and tender portraits of God in the whole Bible. The prophet’s own marriage becomes a lived-out parable of the covenant between God and His people — a covenant marked by love, betrayal, judgment, and unrelenting grace. Hosea’s message forces us to face sin with brutal honesty, but it also reveals a God whose love will not let go, even when His bride has wandered.