The reality show returns with Spencer ready to greet the rest of the gang with open arms on their arrival back from Los Angeles. Jamie left LA upset over Jess's decision to remain friends, but when they spend the night together, he has renewed hope, while Tiff and Sam's relationship is about to hit a very rocky patch.
As Sam struggles to come to terms with Tiff's infidelity, Lucy hears some unsettling rumours, while Rosie encourages Binky to move on from JP.
Binky is introduced to Ollie's new girlfriend Emma. Toff reveals she has a secret crush and Tiff is heartbroken after Sam ends their relationship.
A heartbroken Tiff is in need of distraction and decides to throw all her efforts into working under fashionista Rosie, while Toff sets her sights on inventor Richard Dinan.
Binky has harsh words for Spencer about dating Ollie's new girlfriend, and Richard appears to be attracted to Stephanie, but Toff still hopes her feelings could be reciprocated.
Alex's girlfriend Nicola flies in from Ireland to find out what happened when he went missing in Ibiza, while Spencer reacquaints himself with old friend Tallulah.
Jess is desperate for a reconciliation with Jamie, but will her approach just make things worse? Toff decides to make a move and ask Richard Dinan out.
Alik makes an emergency trip back to London to establish what happened between Elliot and Louise. The feuding Watson sisters are close to breaking point.
The rocky relationship between Alex and Nicola takes a turn for the worse when ex-girlfriend Binky gets involved. It looks as though Binky and JP's own honeymoon period might be over too.
It's the festive season in the royal borough and Sam makes one last grand gesture to show Tiff what she means to him, while James is looking forward to his first Christmas together with Lucy, but trouble is brewing when his ex Lily learns he has been painting a very different picture of their past relationship. Mark Francis and Victoria show a distinct lack of goodwill to all men when they divulge their true opinions of Ollie Locke, and Louise throws a big Christmas dinner where emotions run high as scores are settled.
Sam's delighted to have won Tiff back, but will their joy be short-lived when a rumour resurfaces? Alex wonders whether he and Nicola can last until New Year.
Rick Edwards gets the cast's reaction to season 10 dramas: Sam and Tiff's latest, Lucy and Rosie's showdown and Ollie Locke as never seen before