Preparations for Fiona and Steve's wedding are underway in the Gallagher household. In the days leading up to the wedding, Steve falls in with a group of ruthless criminals, convinced that this job will set him and the rest of the Gallaghers up for life. Things turn nasty when a vengeful Tony begins operating against Steve, and a deadly showdown at a warehouse sparks off a chain of events that changes life for the Gallaghers forever. Meanwhile, Ian recruits Mandy to be his "fake girlfriend" after Frank nearly rumbles his big secret. Carol goes on a cruise, leaving Marty in charge of her beloved dog. (thetvdb.com)