After his mother’s death, 11-year-old Marcus is sent to live on a small South Carolina island with his great aunt, a reclusive painter with a mysterious past. During the lonely hours when his aunt is in her studio, Marcus finds himself drawn to a ruined, desolate building that the islanders call ‘Grief Cottage’; fifty years ago the family that lived there disappeared during a hurricane, and their bodies were never found. Marcus begins to visit the cottage daily, undeterred even after the ghost of the boy who died seems to reveal himself, fluctuating between friendly and sinister…