Sapphire, princess of the Emeraten Kingdom, was betrothed to the crown prince of the Valoreia Empire. However, this arranged marriage was filled with malice from the start. Falsely accused of murder, Sapphire was imprisoned and tortured... Hoping to be set free through death, she was killed by the sword of the Empire's third prince, Leander. However, after decades of wandering, her soul returned to the moment when all the tragedy began. This time, she resolved to change her fate and discover the true meaning of Leander's "freedom" to her. Once again, a vortex of conspiracy brews. Can Sapphire discover the truth and prevent a repeat of the tragedy amidst the perils of the court? And what will become of her and Leander? A new melody from the reincarnated princess begins to play.