Caprice Walker, her husband, Danny, and their lifelong friends, Sam and Megan Bishop, are touring in France. Caprice is overjoyed, not only to revisit the country she fell in love with as a high school exchange student, but also to introduce her husband and friends to the wonders of Paris. When a historical discovery clashes with modern day technology, the couples find themselves in a race to save Caprice's beloved city. Will there be another tragedy...