Tess has gone with Vance to look for the Falcon Temple and its precious cargo, convinced that truth must prevail. Meanwhile, the Church persuades Sean to help them keep that truth hidden - at any cost. On the dark waters of the Mediterranean, in a storm so fierce it could be the very wrath of God, a merciless battle will take place for the future of the Christian faith...

The investigation onto the museum raid continues, but it's a difficult one. One of the four 'knights' has already died in his - guarded - hospital room, and FBI Agent Reilly is unknowingly engaged in a race to find the other thieves before the mysterious assassins trying to eliminate them. Meanwhile, young archaeologist Tess Chaykin is following up the Templar lead - one that the FBI considers too far-fetched to be worth looking into...

Acre, 1291. The last Crusadercity in the Holy Land is about to fall. TwoKnights Templar, obeying the grandmaster's orders, manage to escape theinvading Muslim army on the order's last ship. New York City, nowadays. During the unveilingof an exhibition of some of the Vatican's treasures, four men disguised asTemplars attack the Metropolitan Museum and steal several artefacts, includinga centuries-old decoder - a loss that horrifies the Church.

After being kidnapped by Vance and subsequently escaping, Tess is now officially part of the investigative team alongside Agent Reilly. But despite the constant danger of the lurking assassins who have already nearly killed her once, the young woman refuses to play a passive role. Her research will take her far from New York, under the protection of Sean Reilly-who is about to face a terrible crisis of faith.