Jimmy and Diana want to give Molly and Alex a normal, traditional family Christmas - but this is not a normal, traditional family! Meanwhile, the school play puts everyone under pressure.
The guys see firsthand how UNICEF helps children in Malawi. Charley decides to do a 360-foot bungee jump and Ewan receives a surprise visit.
At the moment, wicked Bill Sikes (Tom Hardy) has the boy in his clutches, but nasty Monks (a slyly charming Julian Rhind-Tutt) is also on his trail. Of course, as this is a well-loved and well-read piece of English literature, there's not much mystery as to the outcome. But the pace keeps up nicely and there is still some tension as poor, ill-used little Oliver (William Miller) is bundled from one set of grubby hands to another, while his benefactor Mr Brownlow (Edward Fox) tries to rescue him from a life of crime and penury. There are some unpleasant bits that might alarm younger children, but they can rest assured that all will turn out for the best.
Despite Corney and Bumble's attempts to extort money from him, Monks quickly gets the upper hand and leaves with the necklace, letter and a page of the register recording Oliver's birth. Nancy cares for Oliver, promising that she will get him back to the safety of the Brownlows. Dodger, however, is aware of Nancy's betrayal, putting her in grave danger.
Freddy's addiction to pornography causes his house mates to stage an intervention. He denies he has a problem but finally agrees to a challenge. If Freddy goes one week without any sexual gratification, they will leave him alone on the subject. Can Freddy do it even with Karen's sexy attempt at sabotage?
On the night of a full moon, Lewis, Emma, Rikki and Charlotte accompany Cleo's family for a camping trip at Mako. When all three girls are affected by the moon, they are unable to stop the curious Charlotte...
Lee's plan to spend time alone with Lucy at Christmas is threatened.
Sikes escapes back to London with a badly wounded Oliver, and Nancy nurses him, determined to save his life. Mr Bumble declares his love for Mrs Corney. Rose continues to search for Oliver, but is discovered by Monks, who tells Brownlow of her secret mission
Ron the Rent-a-Cop seems determined to put an end to Christmas by confiscating all of the Mall decorations. Meanwhile, Nikki's mom doesn't think Jonesy is right for Nikki.
Chode gets contacted from a long-past ex-girlfriend, and informs him he has a son. Now suddenly a father, he is forced into custody and takes him home to the ship. An unexpected twist takes him from showing he can try to be a good father, to his old self again.
Two Lebanese youths and a schoolgirl are killed in a drive by shooting. Inspector Wright, appoints Malik to run the investigation. Crowley doesn't like his junior colleague supervising the case but he has bigger problems. Internal Affairs are investigating Crowley's actions in relation to the death of the drug dealer, Basha. Who called I.A. in? Crowley wonders if it is Malik's doing. Is his enemy seizing the opportunity to destroy him? But Malik is facing his own professional challenges. The triple murder case is complex. His partner, Detective Koa, helps break the case by his knowledge of the Pacific Island Community.
In Solaceon Town, Ash's group meets up with Dawn's old friend and rival Kenny and his new Pokémon, Breloom. Kenny tells them he is going to the Solaceon Ruins, a place of worship for the legendary Dialga and Palkia, so they tag along, only to get more than they bargained for when the Unown that live in the ruins become furious along with the appearance of the sinister Team Galactic. Among the chaos, Aipom evolves into Ambipom
Dawn competes against Kenny in the Solaceon Town Contest, looking for redemption after her crushing loss in Hearthome City. Jessie of course enters. Dawn loses once again and Kenny and Jessie face-off in the finals. Jessie defeats Kenny and wins her first ribbon. Zoey tells Dawn that the overuse of Swift caused Ambipom to be no longer seen and the point of an Appeal is to show off the Pokémon.
Howard takes acting lessons to overcome stage fright and get work with director Jurgen Haabemaaster.
Graffiti reading: "Terror Town," "Cold Stone Soldier" and "Stones Run It" litters Chicago's Southside neighborhoods. It's the work of BPS, Chicago's second largest street gang. The gang has a long and colorful history with their founder - Jeff Fort - convicted in 1987 of plotting to carry out terrorist acts against the US government with the support of Libyan government. The FBI classified the group as a "terrorist threat," in the wake of 9/11.
Blair's father, Harold, comes home for the holidays with an unexpected guest. Blair cannot hide her disappointment and makes a plan to get rid of Roman forever. Jenny and Vanessa help Serena get the best Christmas present ever for Dan, who has a surprise of his own for Serena. Rufus refuses to remain the understanding husband any longer after Alison's former lover sends a letter to the house.
Oliver (William Miller) has seen his one chance of happiness snatched after he's abducted from his comfortable new home by wicked Bill Sikes (a creepily malevolent turn from Tom Hardy). But it's not just the ragged underworld that has it in for Oliver - the well-dressed and charming Monks (Julian Rhind-Tutt) also has his reasons for wishing the boy harm. We can only hope that Oliver's only friend, Nancy (Sophie Okonedo), will help him in his hour of need.
Heather and Ally decide they want a baby, using Ally's goofy friend Gary. However Gary's new partner Edie doesn't want him to help out and brings in lawyers. Heather ends up devising a unusual solution which leaves Ally confused.
Concerned about their friend, Alex and Clover decide that the only way to find out what's wrong with Sam is to spy on her! But what will happen when they find that Sam is involved in some shady activities? They find out Sam is going undercover as a villain, even teaming up with Jazz Hands (just to defeat him, of course). In a b-story, Mandy and Mindy move in to the girls' penthouse when a pipe in their dorm room breaks.