Fate, in a rare moment of inspiration, leads the heroes down unexplored paths, and love weaves its own bonds, speaking a language only it knows.

Eliza, after the sudden death of her mother, discovers in a hidden compartment of her house an old piece of jewelry, letters from a 19th-century French aristocrat, and a box with strange maps.
Eliza and Konstantina embark on a mysterious quest that brings them face to face with historical figures, real elements, and bizarre urban legends. Intrigues, riddles, enigmatic buildings of the capital, churches with secret passages, and a labyrinth of tunnels in underground Athens unfold before them.
And as the thread unravels, the mystery and danger for Eliza deepen. An inexplicable connection ties her family to the Duchess of Placentia, and a centuries-old secret is threatened...
Only Grandma Eliza knows the disruptive truth, but...
What does the Secret Testament hide that must not be revealed?

A novel where imagination, historical figures, and real elements unexpectedly meet at the same crossroads.