XIII follows the piece of information he learned from Sanchez in the Venezuelan prison. It leads him to Ireland in search of Seamus O’ Neal, an ex-IRA operative who was inducted into the CIA at the same time XIII was. In Seamus’ home town, XIII begins to ask questions about Seamus & opens up old hostilities... & a possible connection between Seamus & a new breed of IRA killers. XIII must fight to find out what Seamus was involved in... & the secrets of what it has to do with XIII’s own life.