We dont have secrets Sheba & I. From the first day that the beguiling Sheba Hart joins the staff of St Georges history teacher Barbara Covett is convinced that she has found a kindred spirit. Barbaras loyalty to her new friend is passionate & unstinting & when Sheba is discovered having an illicit affair with one of her young pupils Barbara quickly elects herself as Shebas chief defender. But all is not as at first it seems in this dark story & as Sheba will soon discover a friend can be just as treacherous as any lover.