In Mahou Shoujo Lyrical Nanoha: The Movie 1st, Nanoha Takamachi, a typical third-grader deeply devoted to her loved ones, encounters a peculiar ferret in her dreams and later in reality, rescuing the injured creature who turns out to be Yuuno Scrya, a mage on a mission to gather the scattered Jewel Seeds to avert universal calamity. With Yuuno's guidance and the mystical device 'Raising Heart,' Nanoha undergoes mage training to assist in this crucial task. Yet, the Jewel Seeds' immense power attracts nefarious individuals like Fate Testarossa, a mysterious rival harboring enigmatic intentions. As Nanoha delves deeper, she realizes there's more to Fate than meets the eye, setting the stage for a tale of conflicting emotions and magical destinies.