Nicki is getting fed up with Moz not paying her enough attention, PC turns up with a delivery, and a strange man wearing a cartoon mask lets himself into the flat. Moz also has to contend with a couple of unwelcome visitors in the shape of a rat and rival dealer Psycho Paul.
While Nicki is away, Moz tries to play by attempting to seduce one of his new customers after seeing her at a nightclub where his best mate Kuldip is a DJ. However, the rat (from the previous episode), has other ideas...
Colin (who's still on probation) tells Moz about the body found across the road with its hand cut off, China's got a new boyfriend, and Nicki returns.
Moz gets rid of his stalker and China has split up with her boyfriend. Meanwhile Colin tries to flog some stolen goods (even though he's still on probation) and then steals the photos of Nicki.
A face from Nicki's past arrives unexpectedly wanting to stay, the polaroids from behind the bathroom cabinet go missing and re-appear, and Moz is selling red weed.
It's Moz's birthday, and all Nicki has bought him is a sandwich and some chocolate, so she decides to throw him a party in the flat.
The severed hand makes a return. Moz's stalker (Craig) is back, and spends some quality time with Cartoon Head. Nicki takes a pregnancy test.
Cartoon Head shoots Craig. Nicki tells Moz she's pregnant.
Moz's plans for a peaceful spliff-fuelled Christmas come to an abrupt end when his mother barges into the flat with a karaoke machine. Craig's twin brother sucks a hit-man's nipple, pregnant Nicki has a passionate encounter with another woman, and Brian needs a shoulder to cry on when his latest relationship ends badly.
Moz takes an interest in his new neighbour, while Nicki worries about the identity of her baby's father. Derrick and Yasuko are getting married, so Cartoon Head organises a stag night that degenerates into a full-blown riot.
Moz wakes up next to someone unexpected, before finding 200 pairs of shoes in his living room and accidentally filling his kitchen with foam. The day goes from bad to worse when his landlord announces he's paying a visit.
Moz wrestles with his confused feelings for Judith, but soon has other problems to contend with. PC has impounded a crop of marijuana plants and needs somewhere to hide them, while the deceased Craig's ghost may be haunting the flat.
Elderly neighbour Mrs Coneybear is disturbed by strange noises and decides to hold a seance. Moz is concerned about keeping his marijuana plants a secret, Steve discovers what happened to his brother and Judith makes a surprising confession.
Cartoon Head and Psycho Paul pressure Moz into helping them carry out a kidnapping, but he refuses - until the mouse-masked hit-man's infamous boss Stemroach pays him a visit. A policeman gets trapped in the loft, threatening not only the abduction but also the drug dealer's own business.
It's the day of Derrick and Yasuko's wedding, but Moz has a tough time getting the groom to the registry officer on time. The dealer also has to keep the kidnap victim trapped in his flat a secret from a series of unwanted guests - and accomplish both tasks while under the influence of magic mushrooms.
PC warns Moz of an imminent drugs bust, so the dealer embarks on an unscheduled spring-cleaning exercise as he sets out to destroy all the evidence in his flat. Meanwhile, Colin falls in love, and Nicki goes into labour.
Nicki wants to leave Moz, while Judith wants to go out with him. An assortment of customers are eager to hand over their money and PC is spoiling for a fight. But the dealer is more concerned with whether the fire brigade are going to show up.
The Police Constable has fallen in love with China, Nicki thinks she's losing her mind and Brian has turned into a Goth. Meanwhile, Moz is forced to perform an exorcism on Jenny the child minder.
The Police Constable has fallen in love with China, Nicki thinks she's losing her mind and Brian has turned into a Goth. Meanwhile, Moz is forced to perform an exorcism on Jenny the child minder.
Moz is desperate to dissuade Cartoon Head and Psycho Paul from shooting a porn film in his bathroom. His mother Sheila joins a dodgy pyramid selling scheme and Nicki and Brian are involved in a car crash.
Moz receives an unwelcome visit from gang leader, Stemroach. Meanwhile, the discovery of a wasp nest in the loft has disastrous consequences for the born again Christian builders.
Moz's attempts to enjoy a nice, warm bath are continually thwarted, initially by a steady stream of visitors requiring weed, advice and a shoulder to cry on, then by a bizarre murder.
With Nicki out celebrating her hen night, Moz reluctantly agrees to help the Police Constable to set up Stemroach. Meanwhile, Cartoon Head and Psycho Paul have an evil plan all of their own.
Moz is trying his best to enjoy his stag night. However, Judith has had a wasp mask super-glued to her face, three crabs have escaped in the flat and Jesus has just appeared in the loft.
It's the morning of Moz's wedding and he's woken up next to another woman. Now all he has to do is get rid of her, overcome his nerves, deflect the advances of a very demanding Judith and save Brian from a psychopathic Christian.
When Moz suffers a suspected heart attack, his girlfriend Nicki re-ignites her affair with the PC.
Moz reminisces about 1993, the year he first moved into the flat.
When Moz gets a visit from the drunken Jenny things soon get out of hand.
Despite Moz and Jenny's best efforts to keep their affair secret, it seems everybody knows what's going on.
As the war with the Low Triad heats up, Psycho Paul turns Moz's flat into a bootcamp.
Nicki's birthday party doesn't go entirely according to plan, while Moz splits up with Jenny.
It's all change for Moz as Nicki moves out and new love Jenny moves in.
Moz and Jenny's cosy love situation is thrown into chaos when Psycho Paul's gang hole up in the flat.
Moz decides to stop dealing in an attempt to turn over a new leaf. Jenny is in a coma and different friends try to snap her out of it.
Moz finds it hard to resist other women with his girlfriend still in a coma. Brian finds himself falling in love with a conjoined twin.
Moz has rashly promised to get a proper job and girlfriend Jenny is determined that he keep his word. Cartoon Head has found out about Judith's affair and is out for revenge, whilst Keith and Carol have a dead body to dispose of in the flat opposite.
Moz's flat is taken over by Cartoon Head's triad and then later by a TV crew.
Colin and Carmel's wedding day arrives. To escape getting a prison sentence Moz considers leaving the country. Brian finds something out that he was not expecting about his new boyfriend.
Moz and Jenny get ready to try and leave the country with stolen passports. When a strange crate arrives from Russia, Psycho Paul's human trafficking plans don't go to plan.
After being away for nine months, Moz and Jenny return to Manchester. Moz soon finds out that his ex-girlfriend Nicki has taken control of his drug-dealing business.
Moz's plan to relocate to Italy with Jenny is thrown into disarray when he finds out that he is no longer on the most wanted list. Nathaniel ends things with Brian.
Cartoon-Head finds himself in trouble on two different fronts when Judith and Jake embark make plans to kill him and Moz discovers that he is involved in black-market organ trading.
Moz ends up agreeing to help Tilly create a new range of stained T-shirts. Jenny ends up getting into all kinds of trouble when she convinces herself she has been dumped.
Moz finds himself falling victim to the charms of his ex Nicki and American neighbour Tilly whilst Jenny is away.
Cartoon Head and his crew asked by Moz for help when he finds out that Keith and Carol have been kidnapped by gangsters. He soon learns to realise he has asked the wrong people for help.
When they find themselves with a body to dispose of, Moz and Psycho Paul find themselves being forced to call on the services of the sinister Dr Persi. Keith discovers that his kidnappers are very serious about their demands.
Nicki decides to throw a fancy dress party. Tilly decides to host a more pretentious bash upstairs. Moz attempts to get the ransom money together for his father's release.
Moz makes plans to try and win back Jenny. After he discovers though that she has joined the police force, his plans end up being thrown into disarray.
Having no money, Moz decides to call in his debts. All of his friends though seem reluctant to pay him back. Jess ends up falling under the spell of masked hit man Cartoon Head.
Moz and Nicki begin a rival hash dealing businesses but a price war starts with both businesses attempting to undercut each other. Brian and Carmel open up a brothel.
After believing that Moz is an avant garde artist, Tilly arranges for him to hold an exhibition. Jess and Cartoon Head mess around with ketamine and end up finding themselves out of their depth.
Moz attempts to turn his friendship with Tilly into a proper relationship. Colin ends up hiring his estranged wife Carmel for an escort girl.
Moz ends up coming face to face with a gang of dangerous gingers called the Red Mist. Carmel finds herself having to choose between Colin and Jake. Yasuko ends up leaving Derrick for Fist.