When Sophie’s high school choir is selected for an Italian tour culminating in a performance for the Pope in Vatican City, JJ sees this as an opportunity to bond with his new stepdaughter, so he volunteers to help chaperone the group through the Venetian canals, across Florence’s renowned bridges and into Rome’s most historic sites. Instead, he finds that he and Sophie have become unwitting pawns in a terrorist plot that could end the world as we know it.