After being betrayed and killed by her husband and family, Iris experiences a revelation of her past life in the modern world. Armed with this information, she travels back in time before her ill-fated marriage. Seeking retribution, Iris turns to the empire's most sought-after bachelor, Duke Valenciaga, who surprises her with a proposal: 'Will you be my companion?' With mysteries surrounding his choice and the potential for aiding her revenge, Iris contemplates whether this alliance will serve her vendetta.