The Viper adds a new shop to his empire, Eddie gets a real job, Castletown receives a celebrity visitor, and a love triangle develops.
Eddie feels he needs a woman's touch to put him back on the straight and narrow, so tries to win back Noreen.
After ruining his chances with his ex, Eddie Durkan finds love in a psychiatric ward, and Boo offers the lads the chance to run their own pub.
Castletown is about to witness its first ever interracial gay wedding, while Eddie has finally got a job. But can he cope with the pressure from his nymphomaniac girlfriend, the lads at work and his best mate, who all think he's gone soft?
When a minor celebrity lands in Castletown Eddie spots an opportunity and decides to put on a science fiction convention. Meanwhile Viper joins one of Ireland’s biggest gangs, but has he bitten off more than he can chew?
Castletown is hosting a major music festival and Eddie decides to organise a day out with the lads, but his plans for a bonding session go awry when his long-lost brother turns up.
With Frenchtoast still on the wagon, the lads decide to take drastic action and plan an intervention to get him back on the drink. Meanwhile, Eddie and Buzz's love lives become very complicated.