The Citadel

Great Britain is called upon by the American President to help neutralize an international terrorist threat.

Escalating tensions within the Russian Federation lead experts to believe there is a conspiracy to destabilize its Western rivals: a mysterious arms smuggling gang is suspected of bringing weapons into the US for a series of terror attacks.

Shanahan and Gawain are teamed with EUROPOL agent Lucretia Corcosa in an effort to infiltrate the ring, and assassinate its leaders. They are drawn...