A terrified voice on the phone. The line goes dead. The mystery begins. During a superstorm, Holly Boswell receives a panicked call from her sister, Vivian: Come get me...There's somebody coming. But when Holly arrives at a Long Island marina, there's only her sister's abandoned car. Vivian is gone. It's all eerily familiar. Holly and Vivian used to play hide-and-seek as children. It was a reprieve from the mental abuses...