The year is 1912. Wiggins is no longer with the Secret Service and is heading to America to find his love Bela. Unfortunately, a bit of trouble en route lands him in Dublin where he finds himself working for a local gang leader named O'Connell and driving that man's girl friend, Molly, around the city. Molly is determined to get O'Connell involved in the smuggling of guns to help the separatist movement. Wiggins will find himself drawn into the matter which will lead to his being reunited with his old mentor, Sherlock Holmes.