Elara, a human nun, is cast aside by the ruthless Demon Lord Darius after his jealous lover, Lilith, frames her with a fake prophecy. Nine months later, Elara secretly gives birth to Ruby, a half-demon child. When Ruby’s demonic blood awakens and threatens her life, Elara returns to the Abyss to find a legendary healer. There, she unexpectedly crosses paths with Darius again. As he discovers Ruby is his daughter, his hatred turns into guilt and fierce devotion. But Lilith launches a deadly rebellion, forcing Elara to awaken her hidden six-winged fallen angel bloodline and fight to protect her daughter.
