For lesbians in Provincetown, seductive Sable is more than just a bedroom voice on late-night radio. Through her talk show, Nightlight, she is a fun, anonymous friend and confidante, until one mysterious caller attracts her attention. Behind Sable's "mask," Murphy Callahan allows herself to enjoy the no-strings radio relationship--she's mourned the death of her partner for three years--and ignores the growing attachment as their very public conversations...