[Machine Translation] Cynthia, a viscountess who is mistreated by her father and half-sister, has her young brother Harry taken hostage, and is even forced to take part in tax evasion. Cynthia is proud of her late mother, but she has no choice but to protect her son. In no time at all, the family is decapitated by a shrewd counterintelligence agent who is the royal family's handler. Determined to face the consequences, he and his brother are taken to... The marquis' mansion's hot bath! The children's favorite food is served at the dinner table, and they are perfectly escorted and sheltered wherever they go. The warm and clumsy love heaped on her heals her heart. But why does he love the daughter of a sinner? A Cinderella romance between a disadvantaged daughter and an ice-cold spy son who nurture their love!