Loretta Lawson is already a little apprehensive about spending a hot, muggy weekend alone in New York City at her friend Toni's apartment. And it seems her fears are confirmed when she receives a series of mysterious and threatening phone calls. What's more, as she explores the exciting, unfamiliar city, she has the uneasy impression that someone is watching her, perhaps even following her. Is Loretta the target of these unnerving attentions or are they aimed at Toni?Loretta begins to think that she cannot trust her own judgment; the one person who might lend a hand--her ex-husband, journalist John Tracey, also in New York on a story--has too many problems of his own to help. In the end, Loretta must face the terrifying events that unfold alone. . . .