Under the guise of marriage, Cheryn returns to the imperial capital to set her revenge plan in motion. However, she soon discovers that her fiancé, whom she has been betrothed to since childhood, is having an affair with her sister, Leila. Seizing this opportunity, Cheryn unilaterally breaks off their engagement, claiming she is searching for a new marriage partner. In doing so, she reaches out to the young heirs of Great Clans, aiming to use them in her schemes. Along the way, she gets emotionally entangled with the sons of these influential ministers, further complicating her plans.