Blessed with the protection of spirits from birth, the young noblewoman Arianne grew up sharing a deep bond and a promise of marriage with Lionel, a duke’s son. Her peaceful life shatters when her own family imprisons her to force a political engagement with the second prince. Despite her efforts to endure the isolation while clinging to the hope of reuniting with Lionel, she eventually loses her spiritual blessings and finds herself driven to despair by her family’s cruel treatment.