The Geordies are back partying, pulling and tashing on in Newcastle, but they're still reeling from the explosive fallout following new girl Marnie's arrival. She's Sophie's little cousin, she doesn't care what anyone thinks, and she can't keep her hands off Scott. A big night out getting mortal brings the dream team of Gary and Scott back together, necking on and bucking as only they can, but it ends with Scott completely losing his cool and trying to smash the house up. Meanwhile Charlotte is devastated, cracking under the pressure of having a boyfriend in London while trying to party in the Toon with her Geordie mates. Vicky tries to help Holly get over her cock fright with a girls night out to see some male strippers, but there's more drama as Sophie tries to stop cousin Marnie upsetting the other girls.

Buzzin'! It's Holly's 21st birthday, and the Geordies celebrate as only they know how - with a mint house party, getting mortal, and tashing on. Can Holly overcome her cock fright and get a birthday buck? Will James risk Holly's fury by bringing his girlfriend Kate to the party? How many girls can Gary bed at once? And why is Charlotte weeing in the boys' bin? Marnie necks on with a handsome partygoer, only to find out that it was one of Scott's best mates, and when Scott finds out, he goes on the rampage. Will things between Scott and Marnie ever recover? Meanwhile there's a tiny tragedy in the house, leading to an unexpected funeral on the beach.

The Geordie Shore house is rocked to the core as Charlotte and Holly have an explosive falling out with new girl Marnie in a nightclub argument that gets way out of hand. There's more drama as Scott and Gary's friendship is pushed to the absolute limit when Scott discovers that Gary has taken flirting with Marnie to the next level. Jay makes a morale-boosting return, but can even the daddy of the group bring the house back together?

There's an explosive situation to deal with as Marnie returns to the house following her nightclub fall-out with Holly and Charlotte. The girls can't deal with Marnie coming back, and the boys are left in shock as a fierce slanging match erupts. Is there any hope that the girls will ever make up? The Geordies head to London to get mortal in the capital, and everyone's wondering if Charlotte's London-based boyfriend Mitch will make a surprise appearance on their big night out. But the partying is destined to end in tears for Charlotte, as events take an unexpected turn and Charlotte and Holly's friendship is left hanging by a thread.

The Geordies' raucous summer comes to a climax, with more getting mortal and necking on, and a final piece of high drama which leaves the house in a state of shock.

 Gary and Holly are still furious at the way Charlotte's boyfriend treated her during their night out in London. But Charlotte doesn't want to hear anyone talking bad about her boyfriend, and things soon come to a head in dramatic fashion.

 For the last night, Marnie shaves her fairy for Scott, after she decides she's going to put out if he behaves himself. But will they finally get together.