Nighttime is my time / [sound recording] Mary Higgins Clark.

Jean Sheridan, a college dean and prominent historian, sets out for her hometown to attend the twenty-year reunion of Stonecroft Academy alumni, where she is to be honored along with six other members of her class. Among the guests she greets is a murderer on a mission of vengeance against the Stonecroft women who had mocked and humiliated him.