Leith Montgomery spelled danger "Love 'em and leave 'em" was his motto as far as women were concerned. Not that it bothered Sian, because she wasn't one of his women. She was just a hardworking colleague, used to hitting the world's hot spots at Leith's side. They'd worked together, laughed together, talked together. Yet something had changed—their assignment in Chile was turning out differently. Maybe Sian was losing her immunity to Leith's charms. Or was Leith playing a trivial game of pursuit with her? Or a game with much higher stakes?