A shocking ancient secret. The origins of western civilization discovered. The Renaissance-our most fundamental age of technological and artistic advance, was built upon a secret passed down to a banking family in Florence-the Medici. 500 years ago that secret was buried. Florence, Italy, present day. A trove of letters belonging to the Medici family is discovered underground. Archaeologist Kat Cullen comes across a map that leads her to the Swiss Alps where her partner is murdered and she is left for dead. Kat's husband, professor and classicist-Jack Cullen, rushes to investigate. He joins...