Sheila McCarthy feels she is an ordinary teenager until she is transported into a parallel world and captured by a band of young women warriors riding unicorns.

Sheila must choose between what may be her last chance to return to earth and her desire to help Illyria, the Unicorn Queen, free a group of unicorns trapped in the fortress of evil King Dynasian

When Mardock, the evil wizard, put a spell on handsome Prince Laric and his courageous warriors, he also invented a magical antidote that could only work during a lunar eclipse. Now, at last, that time is at hand in the enchanted kingdom of Arren. But someone must sneak into the wizard's underground laboratory and seize the magic formula ... that someone is Sheila.Sheila must bring back the formula for a magical antidote from an evil wizard's underground lab, but if she doesn't receive help from Dr. Reit, back on earth, she and the entire world of Arren may face extinction

Sheila McCarthy returns to the magical kingdom of Arren, only to discover that Mardock, the evil wizard, has found a way to make the unicorns disappear

Sheila McCarthy, a high school student trapped in a magical land, is the only one who can help when the Unicorn Queen is kidnapped by a handsome, evil king.

Sheila and her warrior friends face violent storms, savage tribes, and the evil sorcerer Mardock when they escort the unicorns of Arren to the distant mountain land of Ryudain to replenish their power.