Born the illegitimate daughter of a powerful tycoon, Soyeong Ji has spent her life sidelined and scorned by the Ji family. Believing marriage will be her escape, her hopes are shattered when she catches her fiancé in bed with her half-sister. Betrayed and alone, Soyeong chooses vengeance by seducing her sister’s lover and setting a calculated plan in motion to bring them all down.