As a proud legal guardian to Roche's son Craig, Beats feels that he's up to the task of making godfather and wants to prove it to Grindah. Meanwhile, Miche has designed some souvenir t-shirts to mark the occasion and she's enlisted the help of local entrepreneur Chabuddy G to print them.

It's the opening night of Chabuddy's new club, the Champagne Steam Rooms. The Kurupt FM crew prepare for their headliner set, while Miche sweats over a life-changing decision.

The Kurupt FM boys decide it's time to make a new track. They hire a studio and get to work, but will an hour be enough time?

Beats's new friend Darren causes friction at the station. Miche surprises Roche with an impromptu baby shower but when conversation turns to the wedding, a few home truths begin to reveal themselves. Chabuddy decides to turn his bar into a restaurant and employs a very cheap new member of staff.

Comedy. Grindah and Steves' non-stop bender starts to grate on the rest of Kurupt FM. Meanwhile, Miche is thriving and sets her sights on a modelling career for her and Angel. Chabuddy takes Beats shopping for baby stuff. Tensions at the station reach breaking point when a rival radio station is discovered and the boys try to prevent Grindah spiraling out of control.

A reluctant Beats is left to deal with the escalating beef with Kold FM. With snitching definitely not an option, how will they take down their rivals? Miche has begun living vicariously through social media, while Grindah's plan to win her back is interrupted by some unwelcome guests. Roche goes back to work, and Steves decides to carry out some tests to see if baby Robyn truly is his reincarnated nan.

Steves takes Kold FM's dog hostage. This leads to a mafia style sit-down with the rival station in an Italian restaurant. The dog is returned to Kold FM in exchange for Kold changing their broadcast frequency. Miche continues to push Angel toward becoming a famous performer. Chabuddy takes a job at an electronics retailer. Grindah and Miche are reconciled, and talk of marriage.

The boys and girls have their respective stag and hen parties. The Kurupt crew cause embarrassment when Beats hires a call girl instead of a stripper. Afterwards, the boys decide to visit a strip club instead, and are later joined by Chabuddy. Grindah goes missing, and Beats' attempts to find him lead to an altercation whereby he and the others are ejected from the club. It transpires that Grindah had made his way back to Roche's house, where Miche's hen party is being held, to declare his devotion to his fiancée.

After a brief wedding ceremony for Grindah and Miche, the families make their way to the reception, which has been turned into a daytime rave. Meanwhile, Steves returns to the radio station, where he finds that police are confiscating the radio equipment. Steves is arrested for drug possession.

The set for Kurupt FM has been raided, and the crew (plus Chabuddy) pawn their way to get back their equipment and get Kurupt FM back on air. Meanwhile, Steves is on community service, and Miche struggles to come to terms over losing her and Grindah's flat.

Kurupt FM adjust themselves to the world of live streaming, although Grindah struggles to accept criticism from viewers online. Beats helps Craig move and get acquainted with the ladies at university, and Miche attempts to sabotage Angel's relationship with a friend whilst trying to keep the threat of moving away from Grindah.

Grindah and Miche take a visit to the GP, as Grindah is convinced he has asthma whenever moving away is mentioned. Steve's probation officer visits and the rest of the crew go out their way to hide any evidence of the radio's existence. Meanwhile, things aren't looking up for Chabuddy, who gets fired from the electronics store, and starts to question his dubious relationship with Carol.

It's the end of Kurupt FM, and as Grindah bids farewell to Brentford, Beats has planned a final send-off before his big move. Miche has high expectations for her leaving do at the salon and Chabuddy starts up a new business venture. Steves reaps the benefits of his new gardening skills and gains a new flatmate.