Thirteen years ago, Siggy Gamble ran away from home never to be found—until his body washes ashore on the tiny island of Winter Haven off the coast of Maine. Now his sister, Vera, travels north to claim the body, and finds herself tangled in the impossible. Her brother hasn't aged a day since last she saw him. Determined to uncover the cause of Siggy's mysterious end, Vera soon learns there are many secrets haunting the island. Hemmed in by unearthly fog, distrusted by the locals, and forced to rely on the enigmatic owner of a grand but dilapidated mansion poised on a rocky cliff, will Vera's desperate questions lead to answers, or will her story become yet one more dark Winter Haven legend?