The foursome demonstrate Chardee MacDennis for an interested board game executive, but the game sends things into chaos despite the gang's truce.
After falling out of the window, Frank thinks that it's 2006. The other three see this as a chance to fix their past mistakes.
Hitting the slopes, the gang finds out that Frank is buying the mountain to turn it into a private resort. This leads to a skiing race between Dennis versus Mac and Dee who have joined a local party animal to keep the mountain.
Frank and Mac attempt to market Charlie as a talented artist to make some money. Dennis and Dee manage to bring Dennis' erotic memoirs to the screen.
Dennis and Mac make their way to the suburbs looking for cheap rent and open spaces but they soon find out that they are meant for city life.
The gang have a new scheme and Frank tries to keep up.
Old grievances surface when the Lawyers sues Bill Ponderosa on behalf of Liam McPoyle and his lost eye.
Dennis tries to create an innovative mobile Paddy's pub experience but runs into trouble when customers refuse to cooperate, while Charlie and Mac attempt to catch a thieving leprechaun.
The gang tries to take a vacation from their usual dynamic by going on a cruise, but old habits die hard.
As they face eminent death, Charlie, Mac, Dee, Dennis and Frank finally become real with each other.