To new nanny Amanda, the Temple family seem to have it all. But like any family, beneath the smiles and hugs there lurks far darker emotions. Sixteen years earlier, Niamh Temple died while they were on holiday in Portugal. Now, as Amanda joins the family for a reunion at their seaside villa, she begins to suspect one of them might be hiding something terrible ... And suspicion is a dangerous thing. One family, two holidays, one devastating secret.