Olivia Giordiadis has left her English roots behind. She lives on a tiny Greek island, married to a local man, mother to two small sons. Year on year, island life has followed a peaceful unchanging rhythm, until now. An earthquake ravages the coast, its force devastating the island and in the aftermath comes a stranger – an English woman, destitute but for the clothes she wears. Olivia welcomes the stranger into her home but begins to sense that her mysterious visitor could threaten all she holds dear.