Nina Swann is intrigued when she received a condolence card from Nick Radcliffe, an old friend of her late husband, who is looking to connect after her husbands unexpected death. Nick is a man of substance and good taste. He has a smile that could melt the coldest heart. But to Ninas daughter, Ash, Nick seems too slick, too polished, too good to be true. Without telling her mother, Ash begins digging into Nicks past. What she finds is unsettlingMartha is a florist living in a neighboring town with her infant daughter and her devoted husband, Alistair. But lately, Alistair has been traveling more and more frequently for work, disappearing for days at a time. When Martha questions him about his frequent absences, he always has a legitimate explanation, but Martha cant share the feeling that something isnt right.Nina, Martha, and Ash are on course with a shocking truth that is far darker than anyone could have imagined. And all three are about to wish they had heeded the same warning: Dont let him in. But the past wont stay buried forever.