Dave Rupert has spent years earning the trust of his IRA friends in Ireland and they've finally given him a military task. Dave heads back to Chicago with a name: Frank O'Neill. He's about to discover why an FBI agent like Ed Buckley was tasked with rooting out any connections between Chicago and militant Republicans. Dave's next moves will be in a city that goes as far as dyeing a whole river green on St. Patrick's Day. 

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