Priscilla is adjusting to her new life on Martha's Vineyard. She loves waking each day to the sound of waves lapping the shoreline and the scent of fresh sea breezes. Though she's still learning the culture, she no longer feels like a tourist in the community. But when a suitcase washes up on shore, Priscilla wonders if there is more in store for her at Misty Harbor than just a change of scenery. Intrigued by the luggage and its mysterious contents, she begins a quest to find it's owner. As clues draw her closer to the truth, she realizes life at the lighthouse could turn out to be anything but quiet.