On leave from the Minneapolis Police Department after being shot, homicide detective Brie Beaumont has gone to Maine where she has family roots. She ships out on the Maine Wind for an early season cruise with Captain John DuLac and eight others. Caught in a gale, they anchor off remote and windswept Granite Island. When someone aboard is murdered, Brie must single-handedly stage an investigation that moves from the ship to a small fishing village...