A two-part miniseries based on Jack Higgins' bestseller. Follows the relationship of two young men who forge a deep and lasting friendship in America. Years later in Ireland, they are reunited through a deadly cat-and-mouse game as they are pitted against each other and their enduring friendship is tested in ways neither could ever have imagined. Liam Devlin is a former IRA terrorist, who is blackmailed by British Intelligence into hunting down and annihilating a KGB-trained serial killer. Unbeknownst to him, the man he is pitted against is his best friend, Father Thomas Kelly, who is really a KGB saboteur working undercover as a priest.