Delia O'Callaghan When Boston-based Irishwoman Delia O'Callaghan meets Frank, she can't believe her luck. He's everything any girl could wish for: rich, charming, handsome and fun. Whisked up into a world of ritzy restaurants and jet-set living, it looks like all of Delia's dreams are set to come true that is, until U.S. customs catch wind of Delia s lack of a Green Card when she tries to return to the States after a trip home to Ireland for her sister's wedding.