Irish islander Caitlin Conner has been in love with professor of Irish folklore Liam O'Sullivan for as long as she can remember. But just when he is starting to look at her as more than a friend, a mysterious woman arrives on Seal Island and captures his heart. As Caitlin discovers the truth behind the woman's lies, she realizes Liam is trapped in a dangerous enchantment and the only way to break the spell is to uncover a secret Irish fairy tale that has remained hidden for hundreds of years. But when the petals of a white rose grown in winter start to fall, the legend is set in motion, and Caitlin must find a way to change the ending before the last petal falls.