Discover your destiny. Become a Unicorn Rider. Be extraordinary. Isabel loves being at Unicorn Academy! She wants to be the best Unicorn Rider ever with her unicorn, River, even if he isn’t always as brave as she is. When she and her friends are tasked with collecting starburst flowers to celebrate the Fairy Moon, she’s determined to find the most, even if it means getting her and River into danger. Then disaster strikes, and the bond between Isabel and her unicorn begins to fade. Can Isabel and River learn to work together? Or will they lose their bond . . . forever?