After being exiled from her home by a war, Cristina Fablet is forced to grow up hiding her faith in the stars and the art she inherited from her grandmother. When she arrives in the opulent town of Espliego, she tries to fit in as an ordinary young woman while grappling with deep insecurities and the isolation of her past.

When magical tensions at her new school erupt in a hostile way, her secret devotion to the star deity Helios will react instinctively. Cristina must decide whether to continue hiding in her weaknesses or unleash the overwhelming astral power that lies dormant within her.