Ellen Branford is going to fulfill her grandmother's dying wish, to find the hometown boy she once loved, and give him her last letter. Ellen leaves Manhattan and her Kennedy-esque fiancé for Beacon, Maine. What should be a one-day trip is quickly complicated when she almost drowns in the chilly bay and is saved by a local carpenter. The rescue turns Ellen into something of a local celebrity, which may or may not help her unravel the past her grandmother labored to keep hidden. As she learns about her grandmother and herself, it becomes clear that a 24-hour visit to Beacon may never be enough.