Eighteen-year-old Kerry Dowling is found fully dressed at the bottom of the family pool. She threw a party the night before, while her parents were away; her house was full of people. But no one saw anything. The police immediately suspect her boyfriend, with whom she had a bitter argument at the party. But other people had a grudge against Kerry, too, including her twenty-year-old neighbour ... The extraordinary new thriller from the Queen of Suspense and global bestseller, Mary Higgins Clark.