THREE DAYS. A GRAND PRIZE. UNLIKELY PLAYERS.
From the crypts of St. Stephen’s Cathedral, through a freezing maze at Schönbrunn Palace, to the grand Viennese ball at the National Opera, Dan and his team scour Vienna for clues hidden in historical landmarks, uncovering the city's mysteries along with each other's secrets. But when Dan faces his worst fears, can he rise to the challenge and win the contest before time runs out?