The city-state OS bans women from practicing magic for a thousand years. Calista Severu, a talented girl from the Severu Clan, loses her aunt Lydia who is burned for using magic. Villain Hetias massacres her kin. Saved by herbalist Rose after falling off a cliff, she competes under the alias Callie, defeats Hetias and repeals the ban. To end the 30-year feud with Farwind, she disguises as an herbalist and falls for Prince Silas. They love each other beyond titles, finally sealing an alliance, and magic becomes accessible to all women.