Moving into an inherited mansion in Maine with their mother and stroke-afflicted father, three siblings uncover a mystery involving hidden passageways, family rivalries, and healing waters.

On the last night of summer, Emma and her Maine game warden father rescue a small domestic rabbit stuck in a fence; the very next day Emma starts fifth grade after years of being home schooled, excited and apprehensive about making new friends, but she is paired with Jack, a hyperactive boy, who does not seem to fit in with anyone--except that they share a love of animals, which draws them together, because of the rabbit.

Haven Harbor is an authentic coastal Maine town, which makes it the perfect location for a new film production. But now it's become the scene of a crime when the director is killed. Meanwhile, a local woman's tragic story about a true love lost at sea, which originally inspired the film, may lead to murderous revelations from long ago.

When twelve-year-old Ellie and her family lose livelihood and move to a mountain cabin in 1934, she quickly learns to be an outdoors woman and, when needed, a healer.