After Mandy's sister died, Mandy became the perfect child, never breaking any rules, obeying all adults, and being as good as possible. She slowly lost all her friends and in her loneliness, she wished she could just be happy. Her wish came true when her imaginary friend from childhood arrived, alive and visible to everyone. Now that Mandy is close to happiness, Lexi will have to go back to the place from whence she came, only Lexi isn't about to give up her life so easily.