Four egocentric friends run a neighborhood Irish pub in Philadelphia and try to find their way through the adult world of work and relationships. Unfortunately, their warped views and precarious judgments often lead them to trouble, creating a myriad of uncomfortable situations that usually only get worse before they get better.
The gang's in Dublin where Dennis ends up helping Frank with some of his business's dirty work. Mac and Charlie learn about their Irish heritage. Dee rushes to the set of an Irish soap opera, where she will play an "Obnoxious American MILF."