Ethic 4 is the fourth book in the Ethic series by Ashley Antoinette. In this installment, the protagonist, Ethic, faces his greatest sin and seeks forgiveness from the love of his life, Alani. The novel probes into themes of redemption, faith, and the complexities of love. Alani challenges Ethic to confront his feelings and fears, particularly his reluctance to trust in God, which becomes a pivotal point in their relationship.