Frustrated with her extravagant duties as a Summer fairy, Sidelle Amistad is desperate to prove she can be more than a petty princess. The accidental capture of Winter fairy, Finnegan, looks like the ideal opportunity—until Sidelle and Finnegan fall in love. With their romance forbidden, a heartbroken Sidelle searches for deeper meaning in her eternal existence leads her to help the humans in a desperate fight against Hell itself.