Isobel arrives in the quiet Cornish town of Fallenbay determined to find peace and answers after her most intimate secrets have been splashed across the internet. Cleo thinks shes happy running a small coastal caf but has no idea of the trouble her children are getting themselves mixed up in. Sarah has finally put her horrible ex behind her and found the man of her dreams. Or has she? All three women have no idea how powerful their darkest secrets can be, and how they will change the town of Fallenbay forever.