"I might have to live without a handsome husband, but I refuse to throw away my first time like this!" Cielo is about to be sent into the palace as a concubine for an aging king. She’s determined not to let her precious first experience be wasted on someone she doesn't desire. Her target? Her steadfast and loyal guard, Caelum. She throws every seductive trick in the book at him, pressing her body against his in a bold attempt to break him. Yet, the stoic knight remains infuriatingly composed, ignoring her wicked temptations. But is he truly as indifferent as he seems, or is there a hidden fire burning beneath that cold armor?