Olive, age 17, has a rich and vivid inner life. She has created an imaginary world that she's able to visit whenever she chooses. But her daily life on earth is shaken up by the arrival of a new roommate at boarding school, who won't leave Olive alone. And even more upsetting: a mysterious spaceman makes a surprise appearance in her imaginary world! A coming-of-age story that will take Olive far from her comfort zone, as she discovers unsuspected sides of herself and the world around her.