Melanie has lived her whole life hiding the fact that her sister Ann is a shape-shifter. When the handsome writer, Brody, approaches Melanie because he is writing a book about shape-shifters, she is horrified. She has always protected Ann's secret. Now Ann is ill, and Brody professes to be interested in Melanie for herself, not for the book he is writing. In the end, love is the only answer.