After the ducal family destroyed her world and took her sibling’s life, she survived with a single purpose: revenge. Seizing the opportunity to infiltrate their household, she disguises herself as a noblewoman to apply for the position of personal aide to the Duke's youngest son. However, her calculated plan falters the moment she meets his languid, alcohol-hazed blue gaze. Instead of exacting her vengeance, she finds herself sinking into an emotional quagmire far more dangerous than her mission—falling in love with the very man she swore to destroy.