The year is 1873. Johanna is on academic probation at the University of Berlin and Eduard is a stuffy assistant professor. When fate brings them together, it’s hate at first sight! But they form an unlikely alliance and travel to Florence to study a rare Aztec history. When they stumble on an obscure coded document, they face unseen danger from those who believe the mysterious monograph holds the key to a vast fortune! Will Eduard and Johanna find Montezuma’s lost treasure – or something even more valuable – before it’s too late?